Home / 52,665.20-78,844.20-47,135.60

Finding the Fourth Proportional to 52,665.20, 78,844.20 and 47,135.60

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Solution

The fourth proportional to 52,665.20, 78,844.20 and 47,135.60 is: 70,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,665.20 : 78,844.20 = 47,135.60 : x
  2. Step 2: Convert to fraction form
    52,665.20/78,844.20 = 47,135.60/x
  3. Step 3: Cross multiply
    52,665.20x = 78,844.20 × 47,135.60
  4. Step 4: Simplify right side
    52,665.20x = 3,716,368,673.52
  5. Step 5: Solve for x
    x = 3,716,368,673.52/52,665.20
  6. Step 6: Final answer
    x = 70,565.93

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1.5x scale

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.