Home / 70,702.17-97,570.62-38,438.61

Finding the Fourth Proportional to 70,702.17, 97,570.62 and 38,438.61

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Solution

The fourth proportional to 70,702.17, 97,570.62 and 38,438.61 is: 53,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,702.17 : 97,570.62 = 38,438.61 : x
  2. Step 2: Convert to fraction form
    70,702.17/97,570.62 = 38,438.61/x
  3. Step 3: Cross multiply
    70,702.17x = 97,570.62 × 38,438.61
  4. Step 4: Simplify right side
    70,702.17x = 3,750,479,009.64
  5. Step 5: Solve for x
    x = 3,750,479,009.64/70,702.17
  6. Step 6: Final answer
    x = 53,046.17

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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.