Home / 91,870.02-137,676.65-49,659.08

Finding the Fourth Proportional to 91,870.02, 137,676.65 and 49,659.08

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Solution

The fourth proportional to 91,870.02, 137,676.65 and 49,659.08 is: 74,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,870.02 : 137,676.65 = 49,659.08 : x
  2. Step 2: Convert to fraction form
    91,870.02/137,676.65 = 49,659.08/x
  3. Step 3: Cross multiply
    91,870.02x = 137,676.65 × 49,659.08
  4. Step 4: Simplify right side
    91,870.02x = 6,836,894,839.80
  5. Step 5: Solve for x
    x = 6,836,894,839.80/91,870.02
  6. Step 6: Final answer
    x = 74,419.22

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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.