Home / 107,222.74-147,964.52-61,899.19

Finding the Fourth Proportional to 107,222.74, 147,964.52 and 61,899.19

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Solution

The fourth proportional to 107,222.74, 147,964.52 and 61,899.19 is: 85,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,222.74 : 147,964.52 = 61,899.19 : x
  2. Step 2: Convert to fraction form
    107,222.74/147,964.52 = 61,899.19/x
  3. Step 3: Cross multiply
    107,222.74x = 147,964.52 × 61,899.19
  4. Step 4: Simplify right side
    107,222.74x = 9,158,883,721.58
  5. Step 5: Solve for x
    x = 9,158,883,721.58/107,222.74
  6. Step 6: Final answer
    x = 85,419.23

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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.