Home / 70,639.39-105,959.14-44,362.59

Finding the Fourth Proportional to 70,639.39, 105,959.14 and 44,362.59

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Solution

The fourth proportional to 70,639.39, 105,959.14 and 44,362.59 is: 66,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,639.39 : 105,959.14 = 44,362.59 : x
  2. Step 2: Convert to fraction form
    70,639.39/105,959.14 = 44,362.59/x
  3. Step 3: Cross multiply
    70,639.39x = 105,959.14 × 44,362.59
  4. Step 4: Simplify right side
    70,639.39x = 4,700,621,376.32
  5. Step 5: Solve for x
    x = 4,700,621,376.32/70,639.39
  6. Step 6: Final answer
    x = 66,543.91

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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.