Home / 90,220.60-124,554.18-67,551.58

Finding the Fourth Proportional to 90,220.60, 124,554.18 and 67,551.58

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Solution

The fourth proportional to 90,220.60, 124,554.18 and 67,551.58 is: 93,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,220.60 : 124,554.18 = 67,551.58 : x
  2. Step 2: Convert to fraction form
    90,220.60/124,554.18 = 67,551.58/x
  3. Step 3: Cross multiply
    90,220.60x = 124,554.18 × 67,551.58
  4. Step 4: Simplify right side
    90,220.60x = 8,413,831,654.60
  5. Step 5: Solve for x
    x = 8,413,831,654.60/90,220.60
  6. Step 6: Final answer
    x = 93,258.43

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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.