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Finding the Fourth Proportional to 72,533.41, 108,831.07 and 40,967.17

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Solution

The fourth proportional to 72,533.41, 108,831.07 and 40,967.17 is: 61,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,533.41 : 108,831.07 = 40,967.17 : x
  2. Step 2: Convert to fraction form
    72,533.41/108,831.07 = 40,967.17/x
  3. Step 3: Cross multiply
    72,533.41x = 108,831.07 × 40,967.17
  4. Step 4: Simplify right side
    72,533.41x = 4,458,500,299.40
  5. Step 5: Solve for x
    x = 4,458,500,299.40/72,533.41
  6. Step 6: Final answer
    x = 61,468.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.