Home / 50,746.67-70,031.28-28,087.53

Finding the Fourth Proportional to 50,746.67, 70,031.28 and 28,087.53

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Solution

The fourth proportional to 50,746.67, 70,031.28 and 28,087.53 is: 38,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,746.67 : 70,031.28 = 28,087.53 : x
  2. Step 2: Convert to fraction form
    50,746.67/70,031.28 = 28,087.53/x
  3. Step 3: Cross multiply
    50,746.67x = 70,031.28 × 28,087.53
  4. Step 4: Simplify right side
    50,746.67x = 1,967,005,677.94
  5. Step 5: Solve for x
    x = 1,967,005,677.94/50,746.67
  6. Step 6: Final answer
    x = 38,761.28

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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.