Home / 52,063.20-77,985.45-43,315.20

Finding the Fourth Proportional to 52,063.20, 77,985.45 and 43,315.20

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Solution

The fourth proportional to 52,063.20, 77,985.45 and 43,315.20 is: 64,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,063.20 : 77,985.45 = 43,315.20 : x
  2. Step 2: Convert to fraction form
    52,063.20/77,985.45 = 43,315.20/x
  3. Step 3: Cross multiply
    52,063.20x = 77,985.45 × 43,315.20
  4. Step 4: Simplify right side
    52,063.20x = 3,377,955,363.84
  5. Step 5: Solve for x
    x = 3,377,955,363.84/52,063.20
  6. Step 6: Final answer
    x = 64,881.82

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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.