Home / 122,487.26-183,742.48-47,613.20

Finding the Fourth Proportional to 122,487.26, 183,742.48 and 47,613.20

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Solution

The fourth proportional to 122,487.26, 183,742.48 and 47,613.20 is: 71,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,487.26 : 183,742.48 = 47,613.20 : x
  2. Step 2: Convert to fraction form
    122,487.26/183,742.48 = 47,613.20/x
  3. Step 3: Cross multiply
    122,487.26x = 183,742.48 × 47,613.20
  4. Step 4: Simplify right side
    122,487.26x = 8,748,567,448.74
  5. Step 5: Solve for x
    x = 8,748,567,448.74/122,487.26
  6. Step 6: Final answer
    x = 71,424.31

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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.