Home / 58,670.57-80,969.99-49,545.65

Finding the Fourth Proportional to 58,670.57, 80,969.99 and 49,545.65

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Solution

The fourth proportional to 58,670.57, 80,969.99 and 49,545.65 is: 68,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,670.57 : 80,969.99 = 49,545.65 : x
  2. Step 2: Convert to fraction form
    58,670.57/80,969.99 = 49,545.65/x
  3. Step 3: Cross multiply
    58,670.57x = 80,969.99 × 49,545.65
  4. Step 4: Simplify right side
    58,670.57x = 4,011,710,132.47
  5. Step 5: Solve for x
    x = 4,011,710,132.47/58,670.57
  6. Step 6: Final answer
    x = 68,376.88

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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.