Home / 90,192.30-124,425.60-54,361.14

Finding the Fourth Proportional to 90,192.30, 124,425.60 and 54,361.14

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Solution

The fourth proportional to 90,192.30, 124,425.60 and 54,361.14 is: 74,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,192.30 : 124,425.60 = 54,361.14 : x
  2. Step 2: Convert to fraction form
    90,192.30/124,425.60 = 54,361.14/x
  3. Step 3: Cross multiply
    90,192.30x = 124,425.60 × 54,361.14
  4. Step 4: Simplify right side
    90,192.30x = 6,763,917,461.18
  5. Step 5: Solve for x
    x = 6,763,917,461.18/90,192.30
  6. Step 6: Final answer
    x = 74,994.40

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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.