Home / 75,545.32-104,253.54-42,012.52

Finding the Fourth Proportional to 75,545.32, 104,253.54 and 42,012.52

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Solution

The fourth proportional to 75,545.32, 104,253.54 and 42,012.52 is: 57,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,545.32 : 104,253.54 = 42,012.52 : x
  2. Step 2: Convert to fraction form
    75,545.32/104,253.54 = 42,012.52/x
  3. Step 3: Cross multiply
    75,545.32x = 104,253.54 × 42,012.52
  4. Step 4: Simplify right side
    75,545.32x = 4,379,953,934.32
  5. Step 5: Solve for x
    x = 4,379,953,934.32/75,545.32
  6. Step 6: Final answer
    x = 57,977.83

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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.