Home / 67,670.22-93,378.47-45,822

Finding the Fourth Proportional to 67,670.22, 93,378.47 and 45,822

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Solution

The fourth proportional to 67,670.22, 93,378.47 and 45,822 is: 63,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,670.22 : 93,378.47 = 45,822 : x
  2. Step 2: Convert to fraction form
    67,670.22/93,378.47 = 45,822/x
  3. Step 3: Cross multiply
    67,670.22x = 93,378.47 × 45,822
  4. Step 4: Simplify right side
    67,670.22x = 4,278,788,023.23
  5. Step 5: Solve for x
    x = 4,278,788,023.23/67,670.22
  6. Step 6: Final answer
    x = 63,230.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.