Home / 51,113.66-70,536.29-28,143.27

Finding the Fourth Proportional to 51,113.66, 70,536.29 and 28,143.27

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Solution

The fourth proportional to 51,113.66, 70,536.29 and 28,143.27 is: 38,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.66 : 70,536.29 = 28,143.27 : x
  2. Step 2: Convert to fraction form
    51,113.66/70,536.29 = 28,143.27/x
  3. Step 3: Cross multiply
    51,113.66x = 70,536.29 × 28,143.27
  4. Step 4: Simplify right side
    51,113.66x = 1,985,121,713.55
  5. Step 5: Solve for x
    x = 1,985,121,713.55/51,113.66
  6. Step 6: Final answer
    x = 38,837.40

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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.