Home / 90,127.51-135,272.50-48,042.63

Finding the Fourth Proportional to 90,127.51, 135,272.50 and 48,042.63

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Solution

The fourth proportional to 90,127.51, 135,272.50 and 48,042.63 is: 72,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,127.51 : 135,272.50 = 48,042.63 : x
  2. Step 2: Convert to fraction form
    90,127.51/135,272.50 = 48,042.63/x
  3. Step 3: Cross multiply
    90,127.51x = 135,272.50 × 48,042.63
  4. Step 4: Simplify right side
    90,127.51x = 6,498,846,546.57
  5. Step 5: Solve for x
    x = 6,498,846,546.57/90,127.51
  6. Step 6: Final answer
    x = 72,107.25

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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.