Home / 71,333.14-98,334.93-54,307.75

Finding the Fourth Proportional to 71,333.14, 98,334.93 and 54,307.75

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Solution

The fourth proportional to 71,333.14, 98,334.93 and 54,307.75 is: 74,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,333.14 : 98,334.93 = 54,307.75 : x
  2. Step 2: Convert to fraction form
    71,333.14/98,334.93 = 54,307.75/x
  3. Step 3: Cross multiply
    71,333.14x = 98,334.93 × 54,307.75
  4. Step 4: Simplify right side
    71,333.14x = 5,340,348,794.71
  5. Step 5: Solve for x
    x = 5,340,348,794.71/71,333.14
  6. Step 6: Final answer
    x = 74,864.91

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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.