Home / 90,265.01-124,452.65-57,942.60

Finding the Fourth Proportional to 90,265.01, 124,452.65 and 57,942.60

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Solution

The fourth proportional to 90,265.01, 124,452.65 and 57,942.60 is: 79,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,265.01 : 124,452.65 = 57,942.60 : x
  2. Step 2: Convert to fraction form
    90,265.01/124,452.65 = 57,942.60/x
  3. Step 3: Cross multiply
    90,265.01x = 124,452.65 × 57,942.60
  4. Step 4: Simplify right side
    90,265.01x = 7,211,109,828.18
  5. Step 5: Solve for x
    x = 7,211,109,828.18/90,265.01
  6. Step 6: Final answer
    x = 79,888.21

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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.