Home / 124,515.32-171,835.94-70,805.21

Finding the Fourth Proportional to 124,515.32, 171,835.94 and 70,805.21

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Solution

The fourth proportional to 124,515.32, 171,835.94 and 70,805.21 is: 97,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.32 : 171,835.94 = 70,805.21 : x
  2. Step 2: Convert to fraction form
    124,515.32/171,835.94 = 70,805.21/x
  3. Step 3: Cross multiply
    124,515.32x = 171,835.94 × 70,805.21
  4. Step 4: Simplify right side
    124,515.32x = 12,166,879,135.08
  5. Step 5: Solve for x
    x = 12,166,879,135.08/124,515.32
  6. Step 6: Final answer
    x = 97,713.92

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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.