Home / 77,275.19-106,641.11-43,283.38

Finding the Fourth Proportional to 77,275.19, 106,641.11 and 43,283.38

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Solution

The fourth proportional to 77,275.19, 106,641.11 and 43,283.38 is: 59,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,275.19 : 106,641.11 = 43,283.38 : x
  2. Step 2: Convert to fraction form
    77,275.19/106,641.11 = 43,283.38/x
  3. Step 3: Cross multiply
    77,275.19x = 106,641.11 × 43,283.38
  4. Step 4: Simplify right side
    77,275.19x = 4,615,787,510.32
  5. Step 5: Solve for x
    x = 4,615,787,510.32/77,275.19
  6. Step 6: Final answer
    x = 59,731.82

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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.