Home / 52,124.57-78,295.17-42,140.60

Finding the Fourth Proportional to 52,124.57, 78,295.17 and 42,140.60

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Solution

The fourth proportional to 52,124.57, 78,295.17 and 42,140.60 is: 63,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124.57 : 78,295.17 = 42,140.60 : x
  2. Step 2: Convert to fraction form
    52,124.57/78,295.17 = 42,140.60/x
  3. Step 3: Cross multiply
    52,124.57x = 78,295.17 × 42,140.60
  4. Step 4: Simplify right side
    52,124.57x = 3,299,405,440.90
  5. Step 5: Solve for x
    x = 3,299,405,440.90/52,124.57
  6. Step 6: Final answer
    x = 63,298.47

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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.