Home / 78,455.17-108,267.69-44,470.08

Finding the Fourth Proportional to 78,455.17, 108,267.69 and 44,470.08

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Solution

The fourth proportional to 78,455.17, 108,267.69 and 44,470.08 is: 61,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,455.17 : 108,267.69 = 44,470.08 : x
  2. Step 2: Convert to fraction form
    78,455.17/108,267.69 = 44,470.08/x
  3. Step 3: Cross multiply
    78,455.17x = 108,267.69 × 44,470.08
  4. Step 4: Simplify right side
    78,455.17x = 4,814,673,002.48
  5. Step 5: Solve for x
    x = 4,814,673,002.48/78,455.17
  6. Step 6: Final answer
    x = 61,368.46

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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.