Home / 89,955.20-134,366.41-66,051.29

Finding the Fourth Proportional to 89,955.20, 134,366.41 and 66,051.29

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Solution

The fourth proportional to 89,955.20, 134,366.41 and 66,051.29 is: 98,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,955.20 : 134,366.41 = 66,051.29 : x
  2. Step 2: Convert to fraction form
    89,955.20/134,366.41 = 66,051.29/x
  3. Step 3: Cross multiply
    89,955.20x = 134,366.41 × 66,051.29
  4. Step 4: Simplify right side
    89,955.20x = 8,875,074,713.17
  5. Step 5: Solve for x
    x = 8,875,074,713.17/89,955.20
  6. Step 6: Final answer
    x = 98,661.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.