Home / 98,566.19-147,954.55-42,434.13

Finding the Fourth Proportional to 98,566.19, 147,954.55 and 42,434.13

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Solution

The fourth proportional to 98,566.19, 147,954.55 and 42,434.13 is: 63,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,566.19 : 147,954.55 = 42,434.13 : x
  2. Step 2: Convert to fraction form
    98,566.19/147,954.55 = 42,434.13/x
  3. Step 3: Cross multiply
    98,566.19x = 147,954.55 × 42,434.13
  4. Step 4: Simplify right side
    98,566.19x = 6,278,322,608.79
  5. Step 5: Solve for x
    x = 6,278,322,608.79/98,566.19
  6. Step 6: Final answer
    x = 63,696.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.