Home / 87,463.51-120,698.31-48,701.07

Finding the Fourth Proportional to 87,463.51, 120,698.31 and 48,701.07

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Solution

The fourth proportional to 87,463.51, 120,698.31 and 48,701.07 is: 67,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,463.51 : 120,698.31 = 48,701.07 : x
  2. Step 2: Convert to fraction form
    87,463.51/120,698.31 = 48,701.07/x
  3. Step 3: Cross multiply
    87,463.51x = 120,698.31 × 48,701.07
  4. Step 4: Simplify right side
    87,463.51x = 5,878,137,126.58
  5. Step 5: Solve for x
    x = 5,878,137,126.58/87,463.51
  6. Step 6: Final answer
    x = 67,206.74

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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.