Home / 56,192.40-77,545.62-30,699.27

Finding the Fourth Proportional to 56,192.40, 77,545.62 and 30,699.27

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Solution

The fourth proportional to 56,192.40, 77,545.62 and 30,699.27 is: 42,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,192.40 : 77,545.62 = 30,699.27 : x
  2. Step 2: Convert to fraction form
    56,192.40/77,545.62 = 30,699.27/x
  3. Step 3: Cross multiply
    56,192.40x = 77,545.62 × 30,699.27
  4. Step 4: Simplify right side
    56,192.40x = 2,380,593,925.70
  5. Step 5: Solve for x
    x = 2,380,593,925.70/56,192.40
  6. Step 6: Final answer
    x = 42,365.05

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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.