Home / 101,545.14-140,136.68-56,223.13

Finding the Fourth Proportional to 101,545.14, 140,136.68 and 56,223.13

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Solution

The fourth proportional to 101,545.14, 140,136.68 and 56,223.13 is: 77,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,545.14 : 140,136.68 = 56,223.13 : x
  2. Step 2: Convert to fraction form
    101,545.14/140,136.68 = 56,223.13/x
  3. Step 3: Cross multiply
    101,545.14x = 140,136.68 × 56,223.13
  4. Step 4: Simplify right side
    101,545.14x = 7,878,922,777.41
  5. Step 5: Solve for x
    x = 7,878,922,777.41/101,545.14
  6. Step 6: Final answer
    x = 77,590.35

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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.