Home / 85,873.77-118,502.60-48,145.59

Finding the Fourth Proportional to 85,873.77, 118,502.60 and 48,145.59

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Solution

The fourth proportional to 85,873.77, 118,502.60 and 48,145.59 is: 66,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,873.77 : 118,502.60 = 48,145.59 : x
  2. Step 2: Convert to fraction form
    85,873.77/118,502.60 = 48,145.59/x
  3. Step 3: Cross multiply
    85,873.77x = 118,502.60 × 48,145.59
  4. Step 4: Simplify right side
    85,873.77x = 5,705,377,352.81
  5. Step 5: Solve for x
    x = 5,705,377,352.81/85,873.77
  6. Step 6: Final answer
    x = 66,439.12

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1.5x scale

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.