Home / 107,241.15-147,948.43-61,886.95

Finding the Fourth Proportional to 107,241.15, 147,948.43 and 61,886.95

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Solution

The fourth proportional to 107,241.15, 147,948.43 and 61,886.95 is: 85,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,241.15 : 147,948.43 = 61,886.95 : x
  2. Step 2: Convert to fraction form
    107,241.15/147,948.43 = 61,886.95/x
  3. Step 3: Cross multiply
    107,241.15x = 147,948.43 × 61,886.95
  4. Step 4: Simplify right side
    107,241.15x = 9,156,076,780.55
  5. Step 5: Solve for x
    x = 9,156,076,780.55/107,241.15
  6. Step 6: Final answer
    x = 85,378.39

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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.