Home / 99,747.99-137,670.03-59,464.40

Finding the Fourth Proportional to 99,747.99, 137,670.03 and 59,464.40

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Solution

The fourth proportional to 99,747.99, 137,670.03 and 59,464.40 is: 82,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747.99 : 137,670.03 = 59,464.40 : x
  2. Step 2: Convert to fraction form
    99,747.99/137,670.03 = 59,464.40/x
  3. Step 3: Cross multiply
    99,747.99x = 137,670.03 × 59,464.40
  4. Step 4: Simplify right side
    99,747.99x = 8,186,465,043.58
  5. Step 5: Solve for x
    x = 8,186,465,043.58/99,747.99
  6. Step 6: Final answer
    x = 82,071.48

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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.