Home / 90,347.09-124,682.22-54,530.10

Finding the Fourth Proportional to 90,347.09, 124,682.22 and 54,530.10

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Solution

The fourth proportional to 90,347.09, 124,682.22 and 54,530.10 is: 75,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,347.09 : 124,682.22 = 54,530.10 : x
  2. Step 2: Convert to fraction form
    90,347.09/124,682.22 = 54,530.10/x
  3. Step 3: Cross multiply
    90,347.09x = 124,682.22 × 54,530.10
  4. Step 4: Simplify right side
    90,347.09x = 6,798,933,924.82
  5. Step 5: Solve for x
    x = 6,798,933,924.82/90,347.09
  6. Step 6: Final answer
    x = 75,253.50

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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.