Home / 90,203.25-124,482.52-58,427.46

Finding the Fourth Proportional to 90,203.25, 124,482.52 and 58,427.46

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Solution

The fourth proportional to 90,203.25, 124,482.52 and 58,427.46 is: 80,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,203.25 : 124,482.52 = 58,427.46 : x
  2. Step 2: Convert to fraction form
    90,203.25/124,482.52 = 58,427.46/x
  3. Step 3: Cross multiply
    90,203.25x = 124,482.52 × 58,427.46
  4. Step 4: Simplify right side
    90,203.25x = 7,273,197,531.03
  5. Step 5: Solve for x
    x = 7,273,197,531.03/90,203.25
  6. Step 6: Final answer
    x = 80,631.21

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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.