Home / 52,970.15-79,455.15-13,527.29

Finding the Fourth Proportional to 52,970.15, 79,455.15 and 13,527.29

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Solution

The fourth proportional to 52,970.15, 79,455.15 and 13,527.29 is: 20,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,970.15 : 79,455.15 = 13,527.29 : x
  2. Step 2: Convert to fraction form
    52,970.15/79,455.15 = 13,527.29/x
  3. Step 3: Cross multiply
    52,970.15x = 79,455.15 × 13,527.29
  4. Step 4: Simplify right side
    52,970.15x = 1,074,812,856.04
  5. Step 5: Solve for x
    x = 1,074,812,856.04/52,970.15
  6. Step 6: Final answer
    x = 20,290.92

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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.