Home / 57,430.98-86,058.54-38,641.41

Finding the Fourth Proportional to 57,430.98, 86,058.54 and 38,641.41

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Solution

The fourth proportional to 57,430.98, 86,058.54 and 38,641.41 is: 57,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430.98 : 86,058.54 = 38,641.41 : x
  2. Step 2: Convert to fraction form
    57,430.98/86,058.54 = 38,641.41/x
  3. Step 3: Cross multiply
    57,430.98x = 86,058.54 × 38,641.41
  4. Step 4: Simplify right side
    57,430.98x = 3,325,423,328.14
  5. Step 5: Solve for x
    x = 3,325,423,328.14/57,430.98
  6. Step 6: Final answer
    x = 57,902.95

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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.