Home / 67,145.45-92,656.19-38,465.23

Finding the Fourth Proportional to 67,145.45, 92,656.19 and 38,465.23

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Solution

The fourth proportional to 67,145.45, 92,656.19 and 38,465.23 is: 53,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,145.45 : 92,656.19 = 38,465.23 : x
  2. Step 2: Convert to fraction form
    67,145.45/92,656.19 = 38,465.23/x
  3. Step 3: Cross multiply
    67,145.45x = 92,656.19 × 38,465.23
  4. Step 4: Simplify right side
    67,145.45x = 3,564,041,003.67
  5. Step 5: Solve for x
    x = 3,564,041,003.67/67,145.45
  6. Step 6: Final answer
    x = 53,079.41

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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.