Home / 84,995.60-117,318.65-56,701.22

Finding the Fourth Proportional to 84,995.60, 117,318.65 and 56,701.22

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Solution

The fourth proportional to 84,995.60, 117,318.65 and 56,701.22 is: 78,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,995.60 : 117,318.65 = 56,701.22 : x
  2. Step 2: Convert to fraction form
    84,995.60/117,318.65 = 56,701.22/x
  3. Step 3: Cross multiply
    84,995.60x = 117,318.65 × 56,701.22
  4. Step 4: Simplify right side
    84,995.60x = 6,652,109,713.65
  5. Step 5: Solve for x
    x = 6,652,109,713.65/84,995.60
  6. Step 6: Final answer
    x = 78,264.17

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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.