Home / 62,658.64-86,484-42,549.04

Finding the Fourth Proportional to 62,658.64, 86,484 and 42,549.04

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Solution

The fourth proportional to 62,658.64, 86,484 and 42,549.04 is: 58,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,658.64 : 86,484 = 42,549.04 : x
  2. Step 2: Convert to fraction form
    62,658.64/86,484 = 42,549.04/x
  3. Step 3: Cross multiply
    62,658.64x = 86,484 × 42,549.04
  4. Step 4: Simplify right side
    62,658.64x = 3,679,811,175.36
  5. Step 5: Solve for x
    x = 3,679,811,175.36/62,658.64
  6. Step 6: Final answer
    x = 58,727.91

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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.