Home / 61,609.60-85,008.18-36,110.80

Finding the Fourth Proportional to 61,609.60, 85,008.18 and 36,110.80

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Solution

The fourth proportional to 61,609.60, 85,008.18 and 36,110.80 is: 49,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,609.60 : 85,008.18 = 36,110.80 : x
  2. Step 2: Convert to fraction form
    61,609.60/85,008.18 = 36,110.80/x
  3. Step 3: Cross multiply
    61,609.60x = 85,008.18 × 36,110.80
  4. Step 4: Simplify right side
    61,609.60x = 3,069,713,386.34
  5. Step 5: Solve for x
    x = 3,069,713,386.34/61,609.60
  6. Step 6: Final answer
    x = 49,825.24

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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.