Home / 91,426.10-137,089.84-41,478.95

Finding the Fourth Proportional to 91,426.10, 137,089.84 and 41,478.95

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Solution

The fourth proportional to 91,426.10, 137,089.84 and 41,478.95 is: 62,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,426.10 : 137,089.84 = 41,478.95 : x
  2. Step 2: Convert to fraction form
    91,426.10/137,089.84 = 41,478.95/x
  3. Step 3: Cross multiply
    91,426.10x = 137,089.84 × 41,478.95
  4. Step 4: Simplify right side
    91,426.10x = 5,686,341,985.27
  5. Step 5: Solve for x
    x = 5,686,341,985.27/91,426.10
  6. Step 6: Final answer
    x = 62,196.05

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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.