Home / 62,688.16-86,509.74-34,393.96

Finding the Fourth Proportional to 62,688.16, 86,509.74 and 34,393.96

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Solution

The fourth proportional to 62,688.16, 86,509.74 and 34,393.96 is: 47,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,688.16 : 86,509.74 = 34,393.96 : x
  2. Step 2: Convert to fraction form
    62,688.16/86,509.74 = 34,393.96/x
  3. Step 3: Cross multiply
    62,688.16x = 86,509.74 × 34,393.96
  4. Step 4: Simplify right side
    62,688.16x = 2,975,412,537.17
  5. Step 5: Solve for x
    x = 2,975,412,537.17/62,688.16
  6. Step 6: Final answer
    x = 47,463.71

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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.