Home / 124,545.47-171,876.54-70,838.22

Finding the Fourth Proportional to 124,545.47, 171,876.54 and 70,838.22

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Solution

The fourth proportional to 124,545.47, 171,876.54 and 70,838.22 is: 97,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545.47 : 171,876.54 = 70,838.22 : x
  2. Step 2: Convert to fraction form
    124,545.47/171,876.54 = 70,838.22/x
  3. Step 3: Cross multiply
    124,545.47x = 171,876.54 × 70,838.22
  4. Step 4: Simplify right side
    124,545.47x = 12,175,428,153.36
  5. Step 5: Solve for x
    x = 12,175,428,153.36/124,545.47
  6. Step 6: Final answer
    x = 97,758.90

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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.