Home / 90,834.96-125,272.48-63,597.09

Finding the Fourth Proportional to 90,834.96, 125,272.48 and 63,597.09

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Solution

The fourth proportional to 90,834.96, 125,272.48 and 63,597.09 is: 87,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,834.96 : 125,272.48 = 63,597.09 : x
  2. Step 2: Convert to fraction form
    90,834.96/125,272.48 = 63,597.09/x
  3. Step 3: Cross multiply
    90,834.96x = 125,272.48 × 63,597.09
  4. Step 4: Simplify right side
    90,834.96x = 7,966,964,867.10
  5. Step 5: Solve for x
    x = 7,966,964,867.10/90,834.96
  6. Step 6: Final answer
    x = 87,708.13

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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.