Home / 90,457.52-124,831.36-52,724.48

Finding the Fourth Proportional to 90,457.52, 124,831.36 and 52,724.48

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Solution

The fourth proportional to 90,457.52, 124,831.36 and 52,724.48 is: 72,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457.52 : 124,831.36 = 52,724.48 : x
  2. Step 2: Convert to fraction form
    90,457.52/124,831.36 = 52,724.48/x
  3. Step 3: Cross multiply
    90,457.52x = 124,831.36 × 52,724.48
  4. Step 4: Simplify right side
    90,457.52x = 6,581,668,543.69
  5. Step 5: Solve for x
    x = 6,581,668,543.69/90,457.52
  6. Step 6: Final answer
    x = 72,759.77

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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.