Home / 84,110.89-116,071.57-45,870.74

Finding the Fourth Proportional to 84,110.89, 116,071.57 and 45,870.74

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Solution

The fourth proportional to 84,110.89, 116,071.57 and 45,870.74 is: 63,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,110.89 : 116,071.57 = 45,870.74 : x
  2. Step 2: Convert to fraction form
    84,110.89/116,071.57 = 45,870.74/x
  3. Step 3: Cross multiply
    84,110.89x = 116,071.57 × 45,870.74
  4. Step 4: Simplify right side
    84,110.89x = 5,324,288,694.18
  5. Step 5: Solve for x
    x = 5,324,288,694.18/84,110.89
  6. Step 6: Final answer
    x = 63,300.83

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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.