Home / 83,987.23-115,902.53-45,746.66

Finding the Fourth Proportional to 83,987.23, 115,902.53 and 45,746.66

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Solution

The fourth proportional to 83,987.23, 115,902.53 and 45,746.66 is: 63,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,987.23 : 115,902.53 = 45,746.66 : x
  2. Step 2: Convert to fraction form
    83,987.23/115,902.53 = 45,746.66/x
  3. Step 3: Cross multiply
    83,987.23x = 115,902.53 × 45,746.66
  4. Step 4: Simplify right side
    83,987.23x = 5,302,153,053.54
  5. Step 5: Solve for x
    x = 5,302,153,053.54/83,987.23
  6. Step 6: Final answer
    x = 63,130.47

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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.