Home / 52,275.51-72,138.96-28,401.57

Finding the Fourth Proportional to 52,275.51, 72,138.96 and 28,401.57

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Solution

The fourth proportional to 52,275.51, 72,138.96 and 28,401.57 is: 39,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275.51 : 72,138.96 = 28,401.57 : x
  2. Step 2: Convert to fraction form
    52,275.51/72,138.96 = 28,401.57/x
  3. Step 3: Cross multiply
    52,275.51x = 72,138.96 × 28,401.57
  4. Step 4: Simplify right side
    52,275.51x = 2,048,859,722.17
  5. Step 5: Solve for x
    x = 2,048,859,722.17/52,275.51
  6. Step 6: Final answer
    x = 39,193.49

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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.