Home / 124,085.16-171,198.90-70,365.96

Finding the Fourth Proportional to 124,085.16, 171,198.90 and 70,365.96

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Solution

The fourth proportional to 124,085.16, 171,198.90 and 70,365.96 is: 97,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,085.16 : 171,198.90 = 70,365.96 : x
  2. Step 2: Convert to fraction form
    124,085.16/171,198.90 = 70,365.96/x
  3. Step 3: Cross multiply
    124,085.16x = 171,198.90 × 70,365.96
  4. Step 4: Simplify right side
    124,085.16x = 12,046,574,949.44
  5. Step 5: Solve for x
    x = 12,046,574,949.44/124,085.16
  6. Step 6: Final answer
    x = 97,083.12

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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.