Home / 70,265.06-105,345.64-36,482.57

Finding the Fourth Proportional to 70,265.06, 105,345.64 and 36,482.57

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Solution

The fourth proportional to 70,265.06, 105,345.64 and 36,482.57 is: 54,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,265.06 : 105,345.64 = 36,482.57 : x
  2. Step 2: Convert to fraction form
    70,265.06/105,345.64 = 36,482.57/x
  3. Step 3: Cross multiply
    70,265.06x = 105,345.64 × 36,482.57
  4. Step 4: Simplify right side
    70,265.06x = 3,843,279,685.49
  5. Step 5: Solve for x
    x = 3,843,279,685.49/70,265.06
  6. Step 6: Final answer
    x = 54,696.88

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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.