Home / 52,330.13-78,844.15-47,338.30

Finding the Fourth Proportional to 52,330.13, 78,844.15 and 47,338.30

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Solution

The fourth proportional to 52,330.13, 78,844.15 and 47,338.30 is: 71,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,330.13 : 78,844.15 = 47,338.30 : x
  2. Step 2: Convert to fraction form
    52,330.13/78,844.15 = 47,338.30/x
  3. Step 3: Cross multiply
    52,330.13x = 78,844.15 × 47,338.30
  4. Step 4: Simplify right side
    52,330.13x = 3,732,347,710.49
  5. Step 5: Solve for x
    x = 3,732,347,710.49/52,330.13
  6. Step 6: Final answer
    x = 71,323.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.