Home / 77,883.23-107,478.72-42,073.13

Finding the Fourth Proportional to 77,883.23, 107,478.72 and 42,073.13

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Solution

The fourth proportional to 77,883.23, 107,478.72 and 42,073.13 is: 58,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,883.23 : 107,478.72 = 42,073.13 : x
  2. Step 2: Convert to fraction form
    77,883.23/107,478.72 = 42,073.13/x
  3. Step 3: Cross multiply
    77,883.23x = 107,478.72 × 42,073.13
  4. Step 4: Simplify right side
    77,883.23x = 4,521,966,427.49
  5. Step 5: Solve for x
    x = 4,521,966,427.49/77,883.23
  6. Step 6: Final answer
    x = 58,060.85

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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.