Home / 94,871.76-142,307.64-66,675.92

Finding the Fourth Proportional to 94,871.76, 142,307.64 and 66,675.92

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Solution

The fourth proportional to 94,871.76, 142,307.64 and 66,675.92 is: 100,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,871.76 : 142,307.64 = 66,675.92 : x
  2. Step 2: Convert to fraction form
    94,871.76/142,307.64 = 66,675.92/x
  3. Step 3: Cross multiply
    94,871.76x = 142,307.64 × 66,675.92
  4. Step 4: Simplify right side
    94,871.76x = 9,488,492,820.03
  5. Step 5: Solve for x
    x = 9,488,492,820.03/94,871.76
  6. Step 6: Final answer
    x = 100,013.88

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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.