Home / 127,624.51-191,415.76-47,641.47

Finding the Fourth Proportional to 127,624.51, 191,415.76 and 47,641.47

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Solution

The fourth proportional to 127,624.51, 191,415.76 and 47,641.47 is: 71,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,624.51 : 191,415.76 = 47,641.47 : x
  2. Step 2: Convert to fraction form
    127,624.51/191,415.76 = 47,641.47/x
  3. Step 3: Cross multiply
    127,624.51x = 191,415.76 × 47,641.47
  4. Step 4: Simplify right side
    127,624.51x = 9,119,327,350.65
  5. Step 5: Solve for x
    x = 9,119,327,350.65/127,624.51
  6. Step 6: Final answer
    x = 71,454.36

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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.