Home / 88,122.59-121,609.32-47,836.38

Finding the Fourth Proportional to 88,122.59, 121,609.32 and 47,836.38

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Solution

The fourth proportional to 88,122.59, 121,609.32 and 47,836.38 is: 66,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,122.59 : 121,609.32 = 47,836.38 : x
  2. Step 2: Convert to fraction form
    88,122.59/121,609.32 = 47,836.38/x
  3. Step 3: Cross multiply
    88,122.59x = 121,609.32 × 47,836.38
  4. Step 4: Simplify right side
    88,122.59x = 5,817,349,643.06
  5. Step 5: Solve for x
    x = 5,817,349,643.06/88,122.59
  6. Step 6: Final answer
    x = 66,014.28

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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.