Home / 124,349.76-186,378.52-57,649.50

Finding the Fourth Proportional to 124,349.76, 186,378.52 and 57,649.50

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Solution

The fourth proportional to 124,349.76, 186,378.52 and 57,649.50 is: 86,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,349.76 : 186,378.52 = 57,649.50 : x
  2. Step 2: Convert to fraction form
    124,349.76/186,378.52 = 57,649.50/x
  3. Step 3: Cross multiply
    124,349.76x = 186,378.52 × 57,649.50
  4. Step 4: Simplify right side
    124,349.76x = 10,744,628,488.74
  5. Step 5: Solve for x
    x = 10,744,628,488.74/124,349.76
  6. Step 6: Final answer
    x = 86,406.51

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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.