Home / 84,320.02-126,467.25-31,717.18

Finding the Fourth Proportional to 84,320.02, 126,467.25 and 31,717.18

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Solution

The fourth proportional to 84,320.02, 126,467.25 and 31,717.18 is: 47,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320.02 : 126,467.25 = 31,717.18 : x
  2. Step 2: Convert to fraction form
    84,320.02/126,467.25 = 31,717.18/x
  3. Step 3: Cross multiply
    84,320.02x = 126,467.25 × 31,717.18
  4. Step 4: Simplify right side
    84,320.02x = 4,011,184,532.36
  5. Step 5: Solve for x
    x = 4,011,184,532.36/84,320.02
  6. Step 6: Final answer
    x = 47,570.96

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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.