Home / 117,583.65-162,266.32-63,868.65

Finding the Fourth Proportional to 117,583.65, 162,266.32 and 63,868.65

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Solution

The fourth proportional to 117,583.65, 162,266.32 and 63,868.65 is: 88,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,583.65 : 162,266.32 = 63,868.65 : x
  2. Step 2: Convert to fraction form
    117,583.65/162,266.32 = 63,868.65/x
  3. Step 3: Cross multiply
    117,583.65x = 162,266.32 × 63,868.65
  4. Step 4: Simplify right side
    117,583.65x = 10,363,730,798.87
  5. Step 5: Solve for x
    x = 10,363,730,798.87/117,583.65
  6. Step 6: Final answer
    x = 88,139.22

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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.