Home / 84,515.46-116,710.35-54,353.16

Finding the Fourth Proportional to 84,515.46, 116,710.35 and 54,353.16

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Solution

The fourth proportional to 84,515.46, 116,710.35 and 54,353.16 is: 75,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,515.46 : 116,710.35 = 54,353.16 : x
  2. Step 2: Convert to fraction form
    84,515.46/116,710.35 = 54,353.16/x
  3. Step 3: Cross multiply
    84,515.46x = 116,710.35 × 54,353.16
  4. Step 4: Simplify right side
    84,515.46x = 6,343,575,743.65
  5. Step 5: Solve for x
    x = 6,343,575,743.65/84,515.46
  6. Step 6: Final answer
    x = 75,058.17

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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.