Home / 61,627.68-85,041.36-34,776.72

Finding the Fourth Proportional to 61,627.68, 85,041.36 and 34,776.72

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Solution

The fourth proportional to 61,627.68, 85,041.36 and 34,776.72 is: 47,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,627.68 : 85,041.36 = 34,776.72 : x
  2. Step 2: Convert to fraction form
    61,627.68/85,041.36 = 34,776.72/x
  3. Step 3: Cross multiply
    61,627.68x = 85,041.36 × 34,776.72
  4. Step 4: Simplify right side
    61,627.68x = 2,957,459,565.14
  5. Step 5: Solve for x
    x = 2,957,459,565.14/61,627.68
  6. Step 6: Final answer
    x = 47,989.14

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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.