Home / 124,374.30-171,637.17-70,662.31

Finding the Fourth Proportional to 124,374.30, 171,637.17 and 70,662.31

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Solution

The fourth proportional to 124,374.30, 171,637.17 and 70,662.31 is: 97,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,374.30 : 171,637.17 = 70,662.31 : x
  2. Step 2: Convert to fraction form
    124,374.30/171,637.17 = 70,662.31/x
  3. Step 3: Cross multiply
    124,374.30x = 171,637.17 × 70,662.31
  4. Step 4: Simplify right side
    124,374.30x = 12,128,278,914.06
  5. Step 5: Solve for x
    x = 12,128,278,914.06/124,374.30
  6. Step 6: Final answer
    x = 97,514.35

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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.