Home / 104,402.28-144,075.53-56,655.62

Finding the Fourth Proportional to 104,402.28, 144,075.53 and 56,655.62

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Solution

The fourth proportional to 104,402.28, 144,075.53 and 56,655.62 is: 78,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,402.28 : 144,075.53 = 56,655.62 : x
  2. Step 2: Convert to fraction form
    104,402.28/144,075.53 = 56,655.62/x
  3. Step 3: Cross multiply
    104,402.28x = 144,075.53 × 56,655.62
  4. Step 4: Simplify right side
    104,402.28x = 8,162,687,900.24
  5. Step 5: Solve for x
    x = 8,162,687,900.24/104,402.28
  6. Step 6: Final answer
    x = 78,184.96

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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.