Home / 107,028.81-147,702.14-61,087.53

Finding the Fourth Proportional to 107,028.81, 147,702.14 and 61,087.53

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Solution

The fourth proportional to 107,028.81, 147,702.14 and 61,087.53 is: 84,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,028.81 : 147,702.14 = 61,087.53 : x
  2. Step 2: Convert to fraction form
    107,028.81/147,702.14 = 61,087.53/x
  3. Step 3: Cross multiply
    107,028.81x = 147,702.14 × 61,087.53
  4. Step 4: Simplify right side
    107,028.81x = 9,022,758,169.80
  5. Step 5: Solve for x
    x = 9,022,758,169.80/107,028.81
  6. Step 6: Final answer
    x = 84,302.15

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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.