Home / 83,939.48-115,837.18-45,699.29

Finding the Fourth Proportional to 83,939.48, 115,837.18 and 45,699.29

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Solution

The fourth proportional to 83,939.48, 115,837.18 and 45,699.29 is: 63,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,939.48 : 115,837.18 = 45,699.29 : x
  2. Step 2: Convert to fraction form
    83,939.48/115,837.18 = 45,699.29/x
  3. Step 3: Cross multiply
    83,939.48x = 115,837.18 × 45,699.29
  4. Step 4: Simplify right side
    83,939.48x = 5,293,676,881.60
  5. Step 5: Solve for x
    x = 5,293,676,881.60/83,939.48
  6. Step 6: Final answer
    x = 63,065.40

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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.