Home / 99,115.72-136,735.02-58,831.18

Finding the Fourth Proportional to 99,115.72, 136,735.02 and 58,831.18

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Solution

The fourth proportional to 99,115.72, 136,735.02 and 58,831.18 is: 81,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,115.72 : 136,735.02 = 58,831.18 : x
  2. Step 2: Convert to fraction form
    99,115.72/136,735.02 = 58,831.18/x
  3. Step 3: Cross multiply
    99,115.72x = 136,735.02 × 58,831.18
  4. Step 4: Simplify right side
    99,115.72x = 8,044,282,573.92
  5. Step 5: Solve for x
    x = 8,044,282,573.92/99,115.72
  6. Step 6: Final answer
    x = 81,160.51

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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.