Home / 52,390.04-72,298.19-28,516.64

Finding the Fourth Proportional to 52,390.04, 72,298.19 and 28,516.64

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Solution

The fourth proportional to 52,390.04, 72,298.19 and 28,516.64 is: 39,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,390.04 : 72,298.19 = 28,516.64 : x
  2. Step 2: Convert to fraction form
    52,390.04/72,298.19 = 28,516.64/x
  3. Step 3: Cross multiply
    52,390.04x = 72,298.19 × 28,516.64
  4. Step 4: Simplify right side
    52,390.04x = 2,061,701,314.30
  5. Step 5: Solve for x
    x = 2,061,701,314.30/52,390.04
  6. Step 6: Final answer
    x = 39,352.92

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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.