Home / 124,439.36-171,722.04-70,723.44

Finding the Fourth Proportional to 124,439.36, 171,722.04 and 70,723.44

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Solution

The fourth proportional to 124,439.36, 171,722.04 and 70,723.44 is: 97,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,439.36 : 171,722.04 = 70,723.44 : x
  2. Step 2: Convert to fraction form
    124,439.36/171,722.04 = 70,723.44/x
  3. Step 3: Cross multiply
    124,439.36x = 171,722.04 × 70,723.44
  4. Step 4: Simplify right side
    124,439.36x = 12,144,773,392.62
  5. Step 5: Solve for x
    x = 12,144,773,392.62/124,439.36
  6. Step 6: Final answer
    x = 97,595.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.