Home / 91,785.16-137,652.67-25,209.46

Finding the Fourth Proportional to 91,785.16, 137,652.67 and 25,209.46

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Solution

The fourth proportional to 91,785.16, 137,652.67 and 25,209.46 is: 37,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785.16 : 137,652.67 = 25,209.46 : x
  2. Step 2: Convert to fraction form
    91,785.16/137,652.67 = 25,209.46/x
  3. Step 3: Cross multiply
    91,785.16x = 137,652.67 × 25,209.46
  4. Step 4: Simplify right side
    91,785.16x = 3,470,149,681.84
  5. Step 5: Solve for x
    x = 3,470,149,681.84/91,785.16
  6. Step 6: Final answer
    x = 37,807.31

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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.