Home / 113,001.60-155,942.28-62,700.60

Finding the Fourth Proportional to 113,001.60, 155,942.28 and 62,700.60

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Solution

The fourth proportional to 113,001.60, 155,942.28 and 62,700.60 is: 86,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,001.60 : 155,942.28 = 62,700.60 : x
  2. Step 2: Convert to fraction form
    113,001.60/155,942.28 = 62,700.60/x
  3. Step 3: Cross multiply
    113,001.60x = 155,942.28 × 62,700.60
  4. Step 4: Simplify right side
    113,001.60x = 9,777,674,521.37
  5. Step 5: Solve for x
    x = 9,777,674,521.37/113,001.60
  6. Step 6: Final answer
    x = 86,526.87

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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.