Home / 84,353.16-116,423.56-54,176.62

Finding the Fourth Proportional to 84,353.16, 116,423.56 and 54,176.62

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Solution

The fourth proportional to 84,353.16, 116,423.56 and 54,176.62 is: 74,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,353.16 : 116,423.56 = 54,176.62 : x
  2. Step 2: Convert to fraction form
    84,353.16/116,423.56 = 54,176.62/x
  3. Step 3: Cross multiply
    84,353.16x = 116,423.56 × 54,176.62
  4. Step 4: Simplify right side
    84,353.16x = 6,307,434,969.17
  5. Step 5: Solve for x
    x = 6,307,434,969.17/84,353.16
  6. Step 6: Final answer
    x = 74,774.14

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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.