Home / 71,066.57-98,070.40-40,851.11

Finding the Fourth Proportional to 71,066.57, 98,070.40 and 40,851.11

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Solution

The fourth proportional to 71,066.57, 98,070.40 and 40,851.11 is: 56,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,066.57 : 98,070.40 = 40,851.11 : x
  2. Step 2: Convert to fraction form
    71,066.57/98,070.40 = 40,851.11/x
  3. Step 3: Cross multiply
    71,066.57x = 98,070.40 × 40,851.11
  4. Step 4: Simplify right side
    71,066.57x = 4,006,284,493.89
  5. Step 5: Solve for x
    x = 4,006,284,493.89/71,066.57
  6. Step 6: Final answer
    x = 56,373.69

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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.