Home / 73,877.63-110,638.86-42,191.73

Finding the Fourth Proportional to 73,877.63, 110,638.86 and 42,191.73

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Solution

The fourth proportional to 73,877.63, 110,638.86 and 42,191.73 is: 63,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,877.63 : 110,638.86 = 42,191.73 : x
  2. Step 2: Convert to fraction form
    73,877.63/110,638.86 = 42,191.73/x
  3. Step 3: Cross multiply
    73,877.63x = 110,638.86 × 42,191.73
  4. Step 4: Simplify right side
    73,877.63x = 4,668,044,908.63
  5. Step 5: Solve for x
    x = 4,668,044,908.63/73,877.63
  6. Step 6: Final answer
    x = 63,186.18

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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.