Home / 100,547.24-150,840.29-38,212.88

Finding the Fourth Proportional to 100,547.24, 150,840.29 and 38,212.88

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Solution

The fourth proportional to 100,547.24, 150,840.29 and 38,212.88 is: 57,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,547.24 : 150,840.29 = 38,212.88 : x
  2. Step 2: Convert to fraction form
    100,547.24/150,840.29 = 38,212.88/x
  3. Step 3: Cross multiply
    100,547.24x = 150,840.29 × 38,212.88
  4. Step 4: Simplify right side
    100,547.24x = 5,764,041,242.27
  5. Step 5: Solve for x
    x = 5,764,041,242.27/100,547.24
  6. Step 6: Final answer
    x = 57,326.70

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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.