Home / 78,504.18-108,333.45-44,515.77

Finding the Fourth Proportional to 78,504.18, 108,333.45 and 44,515.77

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Solution

The fourth proportional to 78,504.18, 108,333.45 and 44,515.77 is: 61,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,504.18 : 108,333.45 = 44,515.77 : x
  2. Step 2: Convert to fraction form
    78,504.18/108,333.45 = 44,515.77/x
  3. Step 3: Cross multiply
    78,504.18x = 108,333.45 × 44,515.77
  4. Step 4: Simplify right side
    78,504.18x = 4,822,546,943.51
  5. Step 5: Solve for x
    x = 4,822,546,943.51/78,504.18
  6. Step 6: Final answer
    x = 61,430.45

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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.