Home / 90,003.60-124,202.70-49,714.20

Finding the Fourth Proportional to 90,003.60, 124,202.70 and 49,714.20

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Solution

The fourth proportional to 90,003.60, 124,202.70 and 49,714.20 is: 68,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,003.60 : 124,202.70 = 49,714.20 : x
  2. Step 2: Convert to fraction form
    90,003.60/124,202.70 = 49,714.20/x
  3. Step 3: Cross multiply
    90,003.60x = 124,202.70 × 49,714.20
  4. Step 4: Simplify right side
    90,003.60x = 6,174,637,868.34
  5. Step 5: Solve for x
    x = 6,174,637,868.34/90,003.60
  6. Step 6: Final answer
    x = 68,604.34

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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.