Home / 124,290.86-171,515.48-70,568.82

Finding the Fourth Proportional to 124,290.86, 171,515.48 and 70,568.82

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Solution

The fourth proportional to 124,290.86, 171,515.48 and 70,568.82 is: 97,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,290.86 : 171,515.48 = 70,568.82 : x
  2. Step 2: Convert to fraction form
    124,290.86/171,515.48 = 70,568.82/x
  3. Step 3: Cross multiply
    124,290.86x = 171,515.48 × 70,568.82
  4. Step 4: Simplify right side
    124,290.86x = 12,103,644,682.49
  5. Step 5: Solve for x
    x = 12,103,644,682.49/124,290.86
  6. Step 6: Final answer
    x = 97,381.62

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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.