Home / 84,663.96-116,812.62-66,703.20

Finding the Fourth Proportional to 84,663.96, 116,812.62 and 66,703.20

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Solution

The fourth proportional to 84,663.96, 116,812.62 and 66,703.20 is: 92,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,663.96 : 116,812.62 = 66,703.20 : x
  2. Step 2: Convert to fraction form
    84,663.96/116,812.62 = 66,703.20/x
  3. Step 3: Cross multiply
    84,663.96x = 116,812.62 × 66,703.20
  4. Step 4: Simplify right side
    84,663.96x = 7,791,775,554.38
  5. Step 5: Solve for x
    x = 7,791,775,554.38/84,663.96
  6. Step 6: Final answer
    x = 92,031.79

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1.5x scale

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.