Home / 84,016.10-115,941.58-45,775.53

Finding the Fourth Proportional to 84,016.10, 115,941.58 and 45,775.53

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Solution

The fourth proportional to 84,016.10, 115,941.58 and 45,775.53 is: 63,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,016.10 : 115,941.58 = 45,775.53 : x
  2. Step 2: Convert to fraction form
    84,016.10/115,941.58 = 45,775.53/x
  3. Step 3: Cross multiply
    84,016.10x = 115,941.58 × 45,775.53
  4. Step 4: Simplify right side
    84,016.10x = 5,307,287,159.10
  5. Step 5: Solve for x
    x = 5,307,287,159.10/84,016.10
  6. Step 6: Final answer
    x = 63,169.88

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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.