Home / 70,689.18-97,551.27-40,474.98

Finding the Fourth Proportional to 70,689.18, 97,551.27 and 40,474.98

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Solution

The fourth proportional to 70,689.18, 97,551.27 and 40,474.98 is: 55,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,689.18 : 97,551.27 = 40,474.98 : x
  2. Step 2: Convert to fraction form
    70,689.18/97,551.27 = 40,474.98/x
  3. Step 3: Cross multiply
    70,689.18x = 97,551.27 × 40,474.98
  4. Step 4: Simplify right side
    70,689.18x = 3,948,385,702.22
  5. Step 5: Solve for x
    x = 3,948,385,702.22/70,689.18
  6. Step 6: Final answer
    x = 55,855.59

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1.5x scale

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.