Home / 52,399.68-72,312.48-28,527.04

Finding the Fourth Proportional to 52,399.68, 72,312.48 and 28,527.04

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Solution

The fourth proportional to 52,399.68, 72,312.48 and 28,527.04 is: 39,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,399.68 : 72,312.48 = 28,527.04 : x
  2. Step 2: Convert to fraction form
    52,399.68/72,312.48 = 28,527.04/x
  3. Step 3: Cross multiply
    52,399.68x = 72,312.48 × 28,527.04
  4. Step 4: Simplify right side
    52,399.68x = 2,062,861,009.46
  5. Step 5: Solve for x
    x = 2,062,861,009.46/52,399.68
  6. Step 6: Final answer
    x = 39,367.82

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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.