Home / 90,063.32-124,217.43-57,801.02

Finding the Fourth Proportional to 90,063.32, 124,217.43 and 57,801.02

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Solution

The fourth proportional to 90,063.32, 124,217.43 and 57,801.02 is: 79,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,063.32 : 124,217.43 = 57,801.02 : x
  2. Step 2: Convert to fraction form
    90,063.32/124,217.43 = 57,801.02/x
  3. Step 3: Cross multiply
    90,063.32x = 124,217.43 × 57,801.02
  4. Step 4: Simplify right side
    90,063.32x = 7,179,894,155.78
  5. Step 5: Solve for x
    x = 7,179,894,155.78/90,063.32
  6. Step 6: Final answer
    x = 79,720.51

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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.