Home / 99,737.10-149,480.91-49,831.17

Finding the Fourth Proportional to 99,737.10, 149,480.91 and 49,831.17

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Solution

The fourth proportional to 99,737.10, 149,480.91 and 49,831.17 is: 74,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737.10 : 149,480.91 = 49,831.17 : x
  2. Step 2: Convert to fraction form
    99,737.10/149,480.91 = 49,831.17/x
  3. Step 3: Cross multiply
    99,737.10x = 149,480.91 × 49,831.17
  4. Step 4: Simplify right side
    99,737.10x = 7,448,808,637.96
  5. Step 5: Solve for x
    x = 7,448,808,637.96/99,737.10
  6. Step 6: Final answer
    x = 74,684.43

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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.