Home / 59,458.14-89,131.41-19,987.65

Finding the Fourth Proportional to 59,458.14, 89,131.41 and 19,987.65

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Solution

The fourth proportional to 59,458.14, 89,131.41 and 19,987.65 is: 29,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,458.14 : 89,131.41 = 19,987.65 : x
  2. Step 2: Convert to fraction form
    59,458.14/89,131.41 = 19,987.65/x
  3. Step 3: Cross multiply
    59,458.14x = 89,131.41 × 19,987.65
  4. Step 4: Simplify right side
    59,458.14x = 1,781,527,427.09
  5. Step 5: Solve for x
    x = 1,781,527,427.09/59,458.14
  6. Step 6: Final answer
    x = 29,962.72

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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.