Home / 70,814.75-97,702.30-40,182.77

Finding the Fourth Proportional to 70,814.75, 97,702.30 and 40,182.77

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Solution

The fourth proportional to 70,814.75, 97,702.30 and 40,182.77 is: 55,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,814.75 : 97,702.30 = 40,182.77 : x
  2. Step 2: Convert to fraction form
    70,814.75/97,702.30 = 40,182.77/x
  3. Step 3: Cross multiply
    70,814.75x = 97,702.30 × 40,182.77
  4. Step 4: Simplify right side
    70,814.75x = 3,925,949,193.17
  5. Step 5: Solve for x
    x = 3,925,949,193.17/70,814.75
  6. Step 6: Final answer
    x = 55,439.71

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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.