Home / 58,142.34-80,260.79-39,304.98

Finding the Fourth Proportional to 58,142.34, 80,260.79 and 39,304.98

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Solution

The fourth proportional to 58,142.34, 80,260.79 and 39,304.98 is: 54,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,142.34 : 80,260.79 = 39,304.98 : x
  2. Step 2: Convert to fraction form
    58,142.34/80,260.79 = 39,304.98/x
  3. Step 3: Cross multiply
    58,142.34x = 80,260.79 × 39,304.98
  4. Step 4: Simplify right side
    58,142.34x = 3,154,648,549.21
  5. Step 5: Solve for x
    x = 3,154,648,549.21/58,142.34
  6. Step 6: Final answer
    x = 54,257.34

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1.5x scale

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.