Home / 91,201.20-125,862.52-53,478.32

Finding the Fourth Proportional to 91,201.20, 125,862.52 and 53,478.32

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Solution

The fourth proportional to 91,201.20, 125,862.52 and 53,478.32 is: 73,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,201.20 : 125,862.52 = 53,478.32 : x
  2. Step 2: Convert to fraction form
    91,201.20/125,862.52 = 53,478.32/x
  3. Step 3: Cross multiply
    91,201.20x = 125,862.52 × 53,478.32
  4. Step 4: Simplify right side
    91,201.20x = 6,730,916,120.57
  5. Step 5: Solve for x
    x = 6,730,916,120.57/91,201.20
  6. Step 6: Final answer
    x = 73,802.93

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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.