Home / 113,417.28-170,091.36-39,528

Finding the Fourth Proportional to 113,417.28, 170,091.36 and 39,528

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Solution

The fourth proportional to 113,417.28, 170,091.36 and 39,528 is: 59,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,417.28 : 170,091.36 = 39,528 : x
  2. Step 2: Convert to fraction form
    113,417.28/170,091.36 = 39,528/x
  3. Step 3: Cross multiply
    113,417.28x = 170,091.36 × 39,528
  4. Step 4: Simplify right side
    113,417.28x = 6,723,371,278.08
  5. Step 5: Solve for x
    x = 6,723,371,278.08/113,417.28
  6. Step 6: Final answer
    x = 59,279.96

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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.