Home / 97,815.42-146,723.13-53,417.95

Finding the Fourth Proportional to 97,815.42, 146,723.13 and 53,417.95

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Solution

The fourth proportional to 97,815.42, 146,723.13 and 53,417.95 is: 80,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,815.42 : 146,723.13 = 53,417.95 : x
  2. Step 2: Convert to fraction form
    97,815.42/146,723.13 = 53,417.95/x
  3. Step 3: Cross multiply
    97,815.42x = 146,723.13 × 53,417.95
  4. Step 4: Simplify right side
    97,815.42x = 7,837,648,555.09
  5. Step 5: Solve for x
    x = 7,837,648,555.09/97,815.42
  6. Step 6: Final answer
    x = 80,126.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.