Home / 48,091.28-72,114.22-28,106.51

Finding the Fourth Proportional to 48,091.28, 72,114.22 and 28,106.51

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Solution

The fourth proportional to 48,091.28, 72,114.22 and 28,106.51 is: 42,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,091.28 : 72,114.22 = 28,106.51 : x
  2. Step 2: Convert to fraction form
    48,091.28/72,114.22 = 28,106.51/x
  3. Step 3: Cross multiply
    48,091.28x = 72,114.22 × 28,106.51
  4. Step 4: Simplify right side
    48,091.28x = 2,026,878,544.47
  5. Step 5: Solve for x
    x = 2,026,878,544.47/48,091.28
  6. Step 6: Final answer
    x = 42,146.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.