Home / 113,087.70-169,631.55-29,981.70

Finding the Fourth Proportional to 113,087.70, 169,631.55 and 29,981.70

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Solution

The fourth proportional to 113,087.70, 169,631.55 and 29,981.70 is: 44,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,087.70 : 169,631.55 = 29,981.70 : x
  2. Step 2: Convert to fraction form
    113,087.70/169,631.55 = 29,981.70/x
  3. Step 3: Cross multiply
    113,087.70x = 169,631.55 × 29,981.70
  4. Step 4: Simplify right side
    113,087.70x = 5,085,842,242.64
  5. Step 5: Solve for x
    x = 5,085,842,242.64/113,087.70
  6. Step 6: Final answer
    x = 44,972.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.