Home / 124,545.97-171,877.23-70,838.72

Finding the Fourth Proportional to 124,545.97, 171,877.23 and 70,838.72

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Solution

The fourth proportional to 124,545.97, 171,877.23 and 70,838.72 is: 97,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545.97 : 171,877.23 = 70,838.72 : x
  2. Step 2: Convert to fraction form
    124,545.97/171,877.23 = 70,838.72/x
  3. Step 3: Cross multiply
    124,545.97x = 171,877.23 × 70,838.72
  4. Step 4: Simplify right side
    124,545.97x = 12,175,562,970.35
  5. Step 5: Solve for x
    x = 12,175,562,970.35/124,545.97
  6. Step 6: Final answer
    x = 97,759.59

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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.