Home / 90,831.24-125,276.10-59,010.39

Finding the Fourth Proportional to 90,831.24, 125,276.10 and 59,010.39

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Solution

The fourth proportional to 90,831.24, 125,276.10 and 59,010.39 is: 81,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,831.24 : 125,276.10 = 59,010.39 : x
  2. Step 2: Convert to fraction form
    90,831.24/125,276.10 = 59,010.39/x
  3. Step 3: Cross multiply
    90,831.24x = 125,276.10 × 59,010.39
  4. Step 4: Simplify right side
    90,831.24x = 7,392,591,518.68
  5. Step 5: Solve for x
    x = 7,392,591,518.68/90,831.24
  6. Step 6: Final answer
    x = 81,388.20

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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.