Home / 45,301.42-67,925.67-13,702.06

Finding the Fourth Proportional to 45,301.42, 67,925.67 and 13,702.06

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Solution

The fourth proportional to 45,301.42, 67,925.67 and 13,702.06 is: 20,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301.42 : 67,925.67 = 13,702.06 : x
  2. Step 2: Convert to fraction form
    45,301.42/67,925.67 = 13,702.06/x
  3. Step 3: Cross multiply
    45,301.42x = 67,925.67 × 13,702.06
  4. Step 4: Simplify right side
    45,301.42x = 930,721,605.88
  5. Step 5: Solve for x
    x = 930,721,605.88/45,301.42
  6. Step 6: Final answer
    x = 20,545.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.