Home / 101,258.24-139,737.45-55,937.43

Finding the Fourth Proportional to 101,258.24, 139,737.45 and 55,937.43

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Solution

The fourth proportional to 101,258.24, 139,737.45 and 55,937.43 is: 77,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,258.24 : 139,737.45 = 55,937.43 : x
  2. Step 2: Convert to fraction form
    101,258.24/139,737.45 = 55,937.43/x
  3. Step 3: Cross multiply
    101,258.24x = 139,737.45 × 55,937.43
  4. Step 4: Simplify right side
    101,258.24x = 7,816,553,827.75
  5. Step 5: Solve for x
    x = 7,816,553,827.75/101,258.24
  6. Step 6: Final answer
    x = 77,194.25

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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.