Home / 65,864.76-99,289.20-60,260.10

Finding the Fourth Proportional to 65,864.76, 99,289.20 and 60,260.10

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Solution

The fourth proportional to 65,864.76, 99,289.20 and 60,260.10 is: 90,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,864.76 : 99,289.20 = 60,260.10 : x
  2. Step 2: Convert to fraction form
    65,864.76/99,289.20 = 60,260.10/x
  3. Step 3: Cross multiply
    65,864.76x = 99,289.20 × 60,260.10
  4. Step 4: Simplify right side
    65,864.76x = 5,983,177,120.92
  5. Step 5: Solve for x
    x = 5,983,177,120.92/65,864.76
  6. Step 6: Final answer
    x = 90,840.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.