Home / 77,938.13-107,555.76-43,948.24

Finding the Fourth Proportional to 77,938.13, 107,555.76 and 43,948.24

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Solution

The fourth proportional to 77,938.13, 107,555.76 and 43,948.24 is: 60,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,938.13 : 107,555.76 = 43,948.24 : x
  2. Step 2: Convert to fraction form
    77,938.13/107,555.76 = 43,948.24/x
  3. Step 3: Cross multiply
    77,938.13x = 107,555.76 × 43,948.24
  4. Step 4: Simplify right side
    77,938.13x = 4,726,886,084.97
  5. Step 5: Solve for x
    x = 4,726,886,084.97/77,938.13
  6. Step 6: Final answer
    x = 60,649.21

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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.