Home / 85,994.12-118,671.90-48,280.52

Finding the Fourth Proportional to 85,994.12, 118,671.90 and 48,280.52

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Solution

The fourth proportional to 85,994.12, 118,671.90 and 48,280.52 is: 66,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,994.12 : 118,671.90 = 48,280.52 : x
  2. Step 2: Convert to fraction form
    85,994.12/118,671.90 = 48,280.52/x
  3. Step 3: Cross multiply
    85,994.12x = 118,671.90 × 48,280.52
  4. Step 4: Simplify right side
    85,994.12x = 5,729,541,041.39
  5. Step 5: Solve for x
    x = 5,729,541,041.39/85,994.12
  6. Step 6: Final answer
    x = 66,627.13

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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.