Home / 104,728.65-144,526.17-56,982.36

Finding the Fourth Proportional to 104,728.65, 144,526.17 and 56,982.36

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Solution

The fourth proportional to 104,728.65, 144,526.17 and 56,982.36 is: 78,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.65 : 144,526.17 = 56,982.36 : x
  2. Step 2: Convert to fraction form
    104,728.65/144,526.17 = 56,982.36/x
  3. Step 3: Cross multiply
    104,728.65x = 144,526.17 × 56,982.36
  4. Step 4: Simplify right side
    104,728.65x = 8,235,442,248.36
  5. Step 5: Solve for x
    x = 8,235,442,248.36/104,728.65
  6. Step 6: Final answer
    x = 78,636.00

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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.