Home / 81,962.55-113,110.21-45,666.40

Finding the Fourth Proportional to 81,962.55, 113,110.21 and 45,666.40

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Solution

The fourth proportional to 81,962.55, 113,110.21 and 45,666.40 is: 63,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,962.55 : 113,110.21 = 45,666.40 : x
  2. Step 2: Convert to fraction form
    81,962.55/113,110.21 = 45,666.40/x
  3. Step 3: Cross multiply
    81,962.55x = 113,110.21 × 45,666.40
  4. Step 4: Simplify right side
    81,962.55x = 5,165,336,016.11
  5. Step 5: Solve for x
    x = 5,165,336,016.11/81,962.55
  6. Step 6: Final answer
    x = 63,020.69

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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.