Home / 77,307.90-115,972.65-32,934.30

Finding the Fourth Proportional to 77,307.90, 115,972.65 and 32,934.30

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Solution

The fourth proportional to 77,307.90, 115,972.65 and 32,934.30 is: 49,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,307.90 : 115,972.65 = 32,934.30 : x
  2. Step 2: Convert to fraction form
    77,307.90/115,972.65 = 32,934.30/x
  3. Step 3: Cross multiply
    77,307.90x = 115,972.65 × 32,934.30
  4. Step 4: Simplify right side
    77,307.90x = 3,819,478,046.90
  5. Step 5: Solve for x
    x = 3,819,478,046.90/77,307.90
  6. Step 6: Final answer
    x = 49,406.05

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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.