Home / 104,615.40-144,366.12-56,867.52

Finding the Fourth Proportional to 104,615.40, 144,366.12 and 56,867.52

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Solution

The fourth proportional to 104,615.40, 144,366.12 and 56,867.52 is: 78,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,615.40 : 144,366.12 = 56,867.52 : x
  2. Step 2: Convert to fraction form
    104,615.40/144,366.12 = 56,867.52/x
  3. Step 3: Cross multiply
    104,615.40x = 144,366.12 × 56,867.52
  4. Step 4: Simplify right side
    104,615.40x = 8,209,743,216.42
  5. Step 5: Solve for x
    x = 8,209,743,216.42/104,615.40
  6. Step 6: Final answer
    x = 78,475.48

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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.