Home / 77,723.02-107,248.23-49,031.85

Finding the Fourth Proportional to 77,723.02, 107,248.23 and 49,031.85

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Solution

The fourth proportional to 77,723.02, 107,248.23 and 49,031.85 is: 67,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,723.02 : 107,248.23 = 49,031.85 : x
  2. Step 2: Convert to fraction form
    77,723.02/107,248.23 = 49,031.85/x
  3. Step 3: Cross multiply
    77,723.02x = 107,248.23 × 49,031.85
  4. Step 4: Simplify right side
    77,723.02x = 5,258,579,126.13
  5. Step 5: Solve for x
    x = 5,258,579,126.13/77,723.02
  6. Step 6: Final answer
    x = 67,657.94

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1.5x scale

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.