Home / 77,545.02-107,011.74-43,553.52

Finding the Fourth Proportional to 77,545.02, 107,011.74 and 43,553.52

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Solution

The fourth proportional to 77,545.02, 107,011.74 and 43,553.52 is: 60,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,545.02 : 107,011.74 = 43,553.52 : x
  2. Step 2: Convert to fraction form
    77,545.02/107,011.74 = 43,553.52/x
  3. Step 3: Cross multiply
    77,545.02x = 107,011.74 × 43,553.52
  4. Step 4: Simplify right side
    77,545.02x = 4,660,737,958.32
  5. Step 5: Solve for x
    x = 4,660,737,958.32/77,545.02
  6. Step 6: Final answer
    x = 60,103.64

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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.