Home / 62,778.80-94,080.72-47,178.20

Finding the Fourth Proportional to 62,778.80, 94,080.72 and 47,178.20

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Solution

The fourth proportional to 62,778.80, 94,080.72 and 47,178.20 is: 70,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,778.80 : 94,080.72 = 47,178.20 : x
  2. Step 2: Convert to fraction form
    62,778.80/94,080.72 = 47,178.20/x
  3. Step 3: Cross multiply
    62,778.80x = 94,080.72 × 47,178.20
  4. Step 4: Simplify right side
    62,778.80x = 4,438,559,024.30
  5. Step 5: Solve for x
    x = 4,438,559,024.30/62,778.80
  6. Step 6: Final answer
    x = 70,701.56

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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.