Home / 117,699.17-176,312.37-54,430.61

Finding the Fourth Proportional to 117,699.17, 176,312.37 and 54,430.61

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Solution

The fourth proportional to 117,699.17, 176,312.37 and 54,430.61 is: 81,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699.17 : 176,312.37 = 54,430.61 : x
  2. Step 2: Convert to fraction form
    117,699.17/176,312.37 = 54,430.61/x
  3. Step 3: Cross multiply
    117,699.17x = 176,312.37 × 54,430.61
  4. Step 4: Simplify right side
    117,699.17x = 9,596,789,849.65
  5. Step 5: Solve for x
    x = 9,596,789,849.65/117,699.17
  6. Step 6: Final answer
    x = 81,536.60

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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.