Home / 88,010.92-121,423.24-57,812.50

Finding the Fourth Proportional to 88,010.92, 121,423.24 and 57,812.50

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Solution

The fourth proportional to 88,010.92, 121,423.24 and 57,812.50 is: 79,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,010.92 : 121,423.24 = 57,812.50 : x
  2. Step 2: Convert to fraction form
    88,010.92/121,423.24 = 57,812.50/x
  3. Step 3: Cross multiply
    88,010.92x = 121,423.24 × 57,812.50
  4. Step 4: Simplify right side
    88,010.92x = 7,019,781,062.50
  5. Step 5: Solve for x
    x = 7,019,781,062.50/88,010.92
  6. Step 6: Final answer
    x = 79,760.34

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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.