Home / 59,491.40-89,061.78-52,110.30

Finding the Fourth Proportional to 59,491.40, 89,061.78 and 52,110.30

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Solution

The fourth proportional to 59,491.40, 89,061.78 and 52,110.30 is: 78,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,491.40 : 89,061.78 = 52,110.30 : x
  2. Step 2: Convert to fraction form
    59,491.40/89,061.78 = 52,110.30/x
  3. Step 3: Cross multiply
    59,491.40x = 89,061.78 × 52,110.30
  4. Step 4: Simplify right side
    59,491.40x = 4,641,036,074.33
  5. Step 5: Solve for x
    x = 4,641,036,074.33/59,491.40
  6. Step 6: Final answer
    x = 78,011.88

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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.