Home / 77,363.12-106,700.28-51,860.72

Finding the Fourth Proportional to 77,363.12, 106,700.28 and 51,860.72

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Solution

The fourth proportional to 77,363.12, 106,700.28 and 51,860.72 is: 71,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,363.12 : 106,700.28 = 51,860.72 : x
  2. Step 2: Convert to fraction form
    77,363.12/106,700.28 = 51,860.72/x
  3. Step 3: Cross multiply
    77,363.12x = 106,700.28 × 51,860.72
  4. Step 4: Simplify right side
    77,363.12x = 5,533,553,345.00
  5. Step 5: Solve for x
    x = 5,533,553,345.00/77,363.12
  6. Step 6: Final answer
    x = 71,527.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.