Home / 90,308.36-124,645.56-52,604.48

Finding the Fourth Proportional to 90,308.36, 124,645.56 and 52,604.48

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Solution

The fourth proportional to 90,308.36, 124,645.56 and 52,604.48 is: 72,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308.36 : 124,645.56 = 52,604.48 : x
  2. Step 2: Convert to fraction form
    90,308.36/124,645.56 = 52,604.48/x
  3. Step 3: Cross multiply
    90,308.36x = 124,645.56 × 52,604.48
  4. Step 4: Simplify right side
    90,308.36x = 6,556,914,868.11
  5. Step 5: Solve for x
    x = 6,556,914,868.11/90,308.36
  6. Step 6: Final answer
    x = 72,605.85

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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.