Home / 89,831.97-134,463.65-56,436.48

Finding the Fourth Proportional to 89,831.97, 134,463.65 and 56,436.48

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Solution

The fourth proportional to 89,831.97, 134,463.65 and 56,436.48 is: 84,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,831.97 : 134,463.65 = 56,436.48 : x
  2. Step 2: Convert to fraction form
    89,831.97/134,463.65 = 56,436.48/x
  3. Step 3: Cross multiply
    89,831.97x = 134,463.65 × 56,436.48
  4. Step 4: Simplify right side
    89,831.97x = 7,588,654,811.77
  5. Step 5: Solve for x
    x = 7,588,654,811.77/89,831.97
  6. Step 6: Final answer
    x = 84,476.10

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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.