Home / 113,320.30-169,975.05-38,433.10

Finding the Fourth Proportional to 113,320.30, 169,975.05 and 38,433.10

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Solution

The fourth proportional to 113,320.30, 169,975.05 and 38,433.10 is: 57,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,320.30 : 169,975.05 = 38,433.10 : x
  2. Step 2: Convert to fraction form
    113,320.30/169,975.05 = 38,433.10/x
  3. Step 3: Cross multiply
    113,320.30x = 169,975.05 × 38,433.10
  4. Step 4: Simplify right side
    113,320.30x = 6,532,668,094.16
  5. Step 5: Solve for x
    x = 6,532,668,094.16/113,320.30
  6. Step 6: Final answer
    x = 57,647.82

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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.