Home / 104,462.38-144,158.48-56,715.72

Finding the Fourth Proportional to 104,462.38, 144,158.48 and 56,715.72

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Solution

The fourth proportional to 104,462.38, 144,158.48 and 56,715.72 is: 78,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,462.38 : 144,158.48 = 56,715.72 : x
  2. Step 2: Convert to fraction form
    104,462.38/144,158.48 = 56,715.72/x
  3. Step 3: Cross multiply
    104,462.38x = 144,158.48 × 56,715.72
  4. Step 4: Simplify right side
    104,462.38x = 8,176,051,694.84
  5. Step 5: Solve for x
    x = 8,176,051,694.84/104,462.38
  6. Step 6: Final answer
    x = 78,267.90

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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.