Home / 91,607.29-137,378.53-43,570.24

Finding the Fourth Proportional to 91,607.29, 137,378.53 and 43,570.24

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Solution

The fourth proportional to 91,607.29, 137,378.53 and 43,570.24 is: 65,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,607.29 : 137,378.53 = 43,570.24 : x
  2. Step 2: Convert to fraction form
    91,607.29/137,378.53 = 43,570.24/x
  3. Step 3: Cross multiply
    91,607.29x = 137,378.53 × 43,570.24
  4. Step 4: Simplify right side
    91,607.29x = 5,985,615,233.96
  5. Step 5: Solve for x
    x = 5,985,615,233.96/91,607.29
  6. Step 6: Final answer
    x = 65,339.95

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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.