Home / 68,140.60-94,050.54-45,480.76

Finding the Fourth Proportional to 68,140.60, 94,050.54 and 45,480.76

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Solution

The fourth proportional to 68,140.60, 94,050.54 and 45,480.76 is: 62,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,140.60 : 94,050.54 = 45,480.76 : x
  2. Step 2: Convert to fraction form
    68,140.60/94,050.54 = 45,480.76/x
  3. Step 3: Cross multiply
    68,140.60x = 94,050.54 × 45,480.76
  4. Step 4: Simplify right side
    68,140.60x = 4,277,490,037.61
  5. Step 5: Solve for x
    x = 4,277,490,037.61/68,140.60
  6. Step 6: Final answer
    x = 62,774.47

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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.