Home / 88,398.12-121,996.08-50,678.04

Finding the Fourth Proportional to 88,398.12, 121,996.08 and 50,678.04

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Solution

The fourth proportional to 88,398.12, 121,996.08 and 50,678.04 is: 69,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,398.12 : 121,996.08 = 50,678.04 : x
  2. Step 2: Convert to fraction form
    88,398.12/121,996.08 = 50,678.04/x
  3. Step 3: Cross multiply
    88,398.12x = 121,996.08 × 50,678.04
  4. Step 4: Simplify right side
    88,398.12x = 6,182,522,222.08
  5. Step 5: Solve for x
    x = 6,182,522,222.08/88,398.12
  6. Step 6: Final answer
    x = 69,939.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.