Home / 111,545.02-153,910.49-63,788.23

Finding the Fourth Proportional to 111,545.02, 153,910.49 and 63,788.23

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Solution

The fourth proportional to 111,545.02, 153,910.49 and 63,788.23 is: 88,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,545.02 : 153,910.49 = 63,788.23 : x
  2. Step 2: Convert to fraction form
    111,545.02/153,910.49 = 63,788.23/x
  3. Step 3: Cross multiply
    111,545.02x = 153,910.49 × 63,788.23
  4. Step 4: Simplify right side
    111,545.02x = 9,817,677,735.53
  5. Step 5: Solve for x
    x = 9,817,677,735.53/111,545.02
  6. Step 6: Final answer
    x = 88,015.38

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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.