Home / 61,041.12-91,397.63-38,733.72

Finding the Fourth Proportional to 61,041.12, 91,397.63 and 38,733.72

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Solution

The fourth proportional to 61,041.12, 91,397.63 and 38,733.72 is: 57,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,041.12 : 91,397.63 = 38,733.72 : x
  2. Step 2: Convert to fraction form
    61,041.12/91,397.63 = 38,733.72/x
  3. Step 3: Cross multiply
    61,041.12x = 91,397.63 × 38,733.72
  4. Step 4: Simplify right side
    61,041.12x = 3,540,170,015.42
  5. Step 5: Solve for x
    x = 3,540,170,015.42/61,041.12
  6. Step 6: Final answer
    x = 57,996.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.