Home / 63,558.40-87,710.35-34,878.54

Finding the Fourth Proportional to 63,558.40, 87,710.35 and 34,878.54

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Solution

The fourth proportional to 63,558.40, 87,710.35 and 34,878.54 is: 48,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,558.40 : 87,710.35 = 34,878.54 : x
  2. Step 2: Convert to fraction form
    63,558.40/87,710.35 = 34,878.54/x
  3. Step 3: Cross multiply
    63,558.40x = 87,710.35 × 34,878.54
  4. Step 4: Simplify right side
    63,558.40x = 3,059,208,950.89
  5. Step 5: Solve for x
    x = 3,059,208,950.89/63,558.40
  6. Step 6: Final answer
    x = 48,132.25

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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.