Home / 90,242.60-124,534.30-49,410.44

Finding the Fourth Proportional to 90,242.60, 124,534.30 and 49,410.44

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Solution

The fourth proportional to 90,242.60, 124,534.30 and 49,410.44 is: 68,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,242.60 : 124,534.30 = 49,410.44 : x
  2. Step 2: Convert to fraction form
    90,242.60/124,534.30 = 49,410.44/x
  3. Step 3: Cross multiply
    90,242.60x = 124,534.30 × 49,410.44
  4. Step 4: Simplify right side
    90,242.60x = 6,153,294,558.09
  5. Step 5: Solve for x
    x = 6,153,294,558.09/90,242.60
  6. Step 6: Final answer
    x = 68,186.14

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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.