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Finding the Fourth Proportional to 88,030.80, 123,476.40 and 88,030.80

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Solution

The fourth proportional to 88,030.80, 123,476.40 and 88,030.80 is: 123,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.80 : 123,476.40 = 88,030.80 : x
  2. Step 2: Convert to fraction form
    88,030.80/123,476.40 = 88,030.80/x
  3. Step 3: Cross multiply
    88,030.80x = 123,476.40 × 88,030.80
  4. Step 4: Simplify right side
    88,030.80x = 10,869,726,273.12
  5. Step 5: Solve for x
    x = 10,869,726,273.12/88,030.80
  6. Step 6: Final answer
    x = 123,476.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.