Home / 65,939.47-98,867.59-36,377.91

Finding the Fourth Proportional to 65,939.47, 98,867.59 and 36,377.91

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Solution

The fourth proportional to 65,939.47, 98,867.59 and 36,377.91 is: 54,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,939.47 : 98,867.59 = 36,377.91 : x
  2. Step 2: Convert to fraction form
    65,939.47/98,867.59 = 36,377.91/x
  3. Step 3: Cross multiply
    65,939.47x = 98,867.59 × 36,377.91
  4. Step 4: Simplify right side
    65,939.47x = 3,596,596,199.99
  5. Step 5: Solve for x
    x = 3,596,596,199.99/65,939.47
  6. Step 6: Final answer
    x = 54,543.91

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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.