Home / 78,666.10-108,562.01-44,673.64

Finding the Fourth Proportional to 78,666.10, 108,562.01 and 44,673.64

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Solution

The fourth proportional to 78,666.10, 108,562.01 and 44,673.64 is: 61,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,666.10 : 108,562.01 = 44,673.64 : x
  2. Step 2: Convert to fraction form
    78,666.10/108,562.01 = 44,673.64/x
  3. Step 3: Cross multiply
    78,666.10x = 108,562.01 × 44,673.64
  4. Step 4: Simplify right side
    78,666.10x = 4,849,859,657.64
  5. Step 5: Solve for x
    x = 4,849,859,657.64/78,666.10
  6. Step 6: Final answer
    x = 61,651.20

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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.