Home / 52,600.20-78,746.70-47,070.60

Finding the Fourth Proportional to 52,600.20, 78,746.70 and 47,070.60

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Solution

The fourth proportional to 52,600.20, 78,746.70 and 47,070.60 is: 70,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,600.20 : 78,746.70 = 47,070.60 : x
  2. Step 2: Convert to fraction form
    52,600.20/78,746.70 = 47,070.60/x
  3. Step 3: Cross multiply
    52,600.20x = 78,746.70 × 47,070.60
  4. Step 4: Simplify right side
    52,600.20x = 3,706,654,417.02
  5. Step 5: Solve for x
    x = 3,706,654,417.02/52,600.20
  6. Step 6: Final answer
    x = 70,468.45

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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.