Home / 86,068.98-118,789.29-71,706.03

Finding the Fourth Proportional to 86,068.98, 118,789.29 and 71,706.03

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Solution

The fourth proportional to 86,068.98, 118,789.29 and 71,706.03 is: 98,966.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,068.98 : 118,789.29 = 71,706.03 : x
  2. Step 2: Convert to fraction form
    86,068.98/118,789.29 = 71,706.03/x
  3. Step 3: Cross multiply
    86,068.98x = 118,789.29 × 71,706.03
  4. Step 4: Simplify right side
    86,068.98x = 8,517,908,392.42
  5. Step 5: Solve for x
    x = 8,517,908,392.42/86,068.98
  6. Step 6: Final answer
    x = 98,966.07

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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.