Home / 77,552.15-107,088.50-75,044.39

Finding the Fourth Proportional to 77,552.15, 107,088.50 and 75,044.39

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Solution

The fourth proportional to 77,552.15, 107,088.50 and 75,044.39 is: 103,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,552.15 : 107,088.50 = 75,044.39 : x
  2. Step 2: Convert to fraction form
    77,552.15/107,088.50 = 75,044.39/x
  3. Step 3: Cross multiply
    77,552.15x = 107,088.50 × 75,044.39
  4. Step 4: Simplify right side
    77,552.15x = 8,036,391,158.52
  5. Step 5: Solve for x
    x = 8,036,391,158.52/77,552.15
  6. Step 6: Final answer
    x = 103,625.64

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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.