Home / 84,607.76-116,705.74-54,432.36

Finding the Fourth Proportional to 84,607.76, 116,705.74 and 54,432.36

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Solution

The fourth proportional to 84,607.76, 116,705.74 and 54,432.36 is: 75,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607.76 : 116,705.74 = 54,432.36 : x
  2. Step 2: Convert to fraction form
    84,607.76/116,705.74 = 54,432.36/x
  3. Step 3: Cross multiply
    84,607.76x = 116,705.74 × 54,432.36
  4. Step 4: Simplify right side
    84,607.76x = 6,352,568,853.75
  5. Step 5: Solve for x
    x = 6,352,568,853.75/84,607.76
  6. Step 6: Final answer
    x = 75,082.58

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1.5x scale

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.