Home / 77,018.24-115,545.83-24,427.71

Finding the Fourth Proportional to 77,018.24, 115,545.83 and 24,427.71

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Solution

The fourth proportional to 77,018.24, 115,545.83 and 24,427.71 is: 36,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,018.24 : 115,545.83 = 24,427.71 : x
  2. Step 2: Convert to fraction form
    77,018.24/115,545.83 = 24,427.71/x
  3. Step 3: Cross multiply
    77,018.24x = 115,545.83 × 24,427.71
  4. Step 4: Simplify right side
    77,018.24x = 2,822,519,904.81
  5. Step 5: Solve for x
    x = 2,822,519,904.81/77,018.24
  6. Step 6: Final answer
    x = 36,647.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.