Home / 42,947.65-64,425.88-14,867.66

Finding the Fourth Proportional to 42,947.65, 64,425.88 and 14,867.66

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Solution

The fourth proportional to 42,947.65, 64,425.88 and 14,867.66 is: 22,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,947.65 : 64,425.88 = 14,867.66 : x
  2. Step 2: Convert to fraction form
    42,947.65/64,425.88 = 14,867.66/x
  3. Step 3: Cross multiply
    42,947.65x = 64,425.88 × 14,867.66
  4. Step 4: Simplify right side
    42,947.65x = 957,862,258.69
  5. Step 5: Solve for x
    x = 957,862,258.69/42,947.65
  6. Step 6: Final answer
    x = 22,303.02

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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.