Home / 89,826.40-134,739.60-26,648.80

Finding the Fourth Proportional to 89,826.40, 134,739.60 and 26,648.80

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Solution

The fourth proportional to 89,826.40, 134,739.60 and 26,648.80 is: 39,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,826.40 : 134,739.60 = 26,648.80 : x
  2. Step 2: Convert to fraction form
    89,826.40/134,739.60 = 26,648.80/x
  3. Step 3: Cross multiply
    89,826.40x = 134,739.60 × 26,648.80
  4. Step 4: Simplify right side
    89,826.40x = 3,590,648,652.48
  5. Step 5: Solve for x
    x = 3,590,648,652.48/89,826.40
  6. Step 6: Final answer
    x = 39,973.20

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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.