Home / 50,838.77-70,158.02-28,178.26

Finding the Fourth Proportional to 50,838.77, 70,158.02 and 28,178.26

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Solution

The fourth proportional to 50,838.77, 70,158.02 and 28,178.26 is: 38,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,838.77 : 70,158.02 = 28,178.26 : x
  2. Step 2: Convert to fraction form
    50,838.77/70,158.02 = 28,178.26/x
  3. Step 3: Cross multiply
    50,838.77x = 70,158.02 × 28,178.26
  4. Step 4: Simplify right side
    50,838.77x = 1,976,930,805.72
  5. Step 5: Solve for x
    x = 1,976,930,805.72/50,838.77
  6. Step 6: Final answer
    x = 38,886.28

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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.