Home / 113,807.04-157,052.83-62,819.78

Finding the Fourth Proportional to 113,807.04, 157,052.83 and 62,819.78

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Solution

The fourth proportional to 113,807.04, 157,052.83 and 62,819.78 is: 86,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,807.04 : 157,052.83 = 62,819.78 : x
  2. Step 2: Convert to fraction form
    113,807.04/157,052.83 = 62,819.78/x
  3. Step 3: Cross multiply
    113,807.04x = 157,052.83 × 62,819.78
  4. Step 4: Simplify right side
    113,807.04x = 9,866,024,188.49
  5. Step 5: Solve for x
    x = 9,866,024,188.49/113,807.04
  6. Step 6: Final answer
    x = 86,690.81

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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.