Home / 77,115.11-106,445.61-52,995.94

Finding the Fourth Proportional to 77,115.11, 106,445.61 and 52,995.94

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Solution

The fourth proportional to 77,115.11, 106,445.61 and 52,995.94 is: 73,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,115.11 : 106,445.61 = 52,995.94 : x
  2. Step 2: Convert to fraction form
    77,115.11/106,445.61 = 52,995.94/x
  3. Step 3: Cross multiply
    77,115.11x = 106,445.61 × 52,995.94
  4. Step 4: Simplify right side
    77,115.11x = 5,641,184,894.71
  5. Step 5: Solve for x
    x = 5,641,184,894.71/77,115.11
  6. Step 6: Final answer
    x = 73,152.79

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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.