Home / 75,281.32-112,886.23-43,701.07

Finding the Fourth Proportional to 75,281.32, 112,886.23 and 43,701.07

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Solution

The fourth proportional to 75,281.32, 112,886.23 and 43,701.07 is: 65,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,281.32 : 112,886.23 = 43,701.07 : x
  2. Step 2: Convert to fraction form
    75,281.32/112,886.23 = 43,701.07/x
  3. Step 3: Cross multiply
    75,281.32x = 112,886.23 × 43,701.07
  4. Step 4: Simplify right side
    75,281.32x = 4,933,249,039.27
  5. Step 5: Solve for x
    x = 4,933,249,039.27/75,281.32
  6. Step 6: Final answer
    x = 65,530.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.