Home / 61,375.10-84,330.59-48,777.98

Finding the Fourth Proportional to 61,375.10, 84,330.59 and 48,777.98

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Solution

The fourth proportional to 61,375.10, 84,330.59 and 48,777.98 is: 67,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,375.10 : 84,330.59 = 48,777.98 : x
  2. Step 2: Convert to fraction form
    61,375.10/84,330.59 = 48,777.98/x
  3. Step 3: Cross multiply
    61,375.10x = 84,330.59 × 48,777.98
  4. Step 4: Simplify right side
    61,375.10x = 4,113,475,166.87
  5. Step 5: Solve for x
    x = 4,113,475,166.87/61,375.10
  6. Step 6: Final answer
    x = 67,021.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.