Home / 63,280.17-87,327.45-34,985.79

Finding the Fourth Proportional to 63,280.17, 87,327.45 and 34,985.79

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Solution

The fourth proportional to 63,280.17, 87,327.45 and 34,985.79 is: 48,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,280.17 : 87,327.45 = 34,985.79 : x
  2. Step 2: Convert to fraction form
    63,280.17/87,327.45 = 34,985.79/x
  3. Step 3: Cross multiply
    63,280.17x = 87,327.45 × 34,985.79
  4. Step 4: Simplify right side
    63,280.17x = 3,055,219,826.94
  5. Step 5: Solve for x
    x = 3,055,219,826.94/63,280.17
  6. Step 6: Final answer
    x = 48,280.84

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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.