Home / 125,881.04-173,657.17-74,865.16

Finding the Fourth Proportional to 125,881.04, 173,657.17 and 74,865.16

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Solution

The fourth proportional to 125,881.04, 173,657.17 and 74,865.16 is: 103,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,881.04 : 173,657.17 = 74,865.16 : x
  2. Step 2: Convert to fraction form
    125,881.04/173,657.17 = 74,865.16/x
  3. Step 3: Cross multiply
    125,881.04x = 173,657.17 × 74,865.16
  4. Step 4: Simplify right side
    125,881.04x = 13,000,871,706.73
  5. Step 5: Solve for x
    x = 13,000,871,706.73/125,881.04
  6. Step 6: Final answer
    x = 103,279.03

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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.