Home / 90,955.98-125,519.40-52,722.90

Finding the Fourth Proportional to 90,955.98, 125,519.40 and 52,722.90

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Solution

The fourth proportional to 90,955.98, 125,519.40 and 52,722.90 is: 72,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,955.98 : 125,519.40 = 52,722.90 : x
  2. Step 2: Convert to fraction form
    90,955.98/125,519.40 = 52,722.90/x
  3. Step 3: Cross multiply
    90,955.98x = 125,519.40 × 52,722.90
  4. Step 4: Simplify right side
    90,955.98x = 6,617,746,774.26
  5. Step 5: Solve for x
    x = 6,617,746,774.26/90,955.98
  6. Step 6: Final answer
    x = 72,757.69

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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.