Home / 51,193.18-70,135.08-49,275.64

Finding the Fourth Proportional to 51,193.18, 70,135.08 and 49,275.64

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Solution

The fourth proportional to 51,193.18, 70,135.08 and 49,275.64 is: 67,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,193.18 : 70,135.08 = 49,275.64 : x
  2. Step 2: Convert to fraction form
    51,193.18/70,135.08 = 49,275.64/x
  3. Step 3: Cross multiply
    51,193.18x = 70,135.08 × 49,275.64
  4. Step 4: Simplify right side
    51,193.18x = 3,455,950,953.45
  5. Step 5: Solve for x
    x = 3,455,950,953.45/51,193.18
  6. Step 6: Final answer
    x = 67,508.03

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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.