Home / 85,043.60-127,565.40-29,626.64

Finding the Fourth Proportional to 85,043.60, 127,565.40 and 29,626.64

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Solution

The fourth proportional to 85,043.60, 127,565.40 and 29,626.64 is: 44,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,043.60 : 127,565.40 = 29,626.64 : x
  2. Step 2: Convert to fraction form
    85,043.60/127,565.40 = 29,626.64/x
  3. Step 3: Cross multiply
    85,043.60x = 127,565.40 × 29,626.64
  4. Step 4: Simplify right side
    85,043.60x = 3,779,334,182.26
  5. Step 5: Solve for x
    x = 3,779,334,182.26/85,043.60
  6. Step 6: Final answer
    x = 44,439.96

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1.5x scale

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.