Home / 82,590.47-113,911.73-71,125.24

Finding the Fourth Proportional to 82,590.47, 113,911.73 and 71,125.24

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Solution

The fourth proportional to 82,590.47, 113,911.73 and 71,125.24 is: 98,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,590.47 : 113,911.73 = 71,125.24 : x
  2. Step 2: Convert to fraction form
    82,590.47/113,911.73 = 71,125.24/x
  3. Step 3: Cross multiply
    82,590.47x = 113,911.73 × 71,125.24
  4. Step 4: Simplify right side
    82,590.47x = 8,101,999,135.07
  5. Step 5: Solve for x
    x = 8,101,999,135.07/82,590.47
  6. Step 6: Final answer
    x = 98,098.47

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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.