Home / 57,436.98-86,158.29-15,317.45

Finding the Fourth Proportional to 57,436.98, 86,158.29 and 15,317.45

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Solution

The fourth proportional to 57,436.98, 86,158.29 and 15,317.45 is: 22,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,436.98 : 86,158.29 = 15,317.45 : x
  2. Step 2: Convert to fraction form
    57,436.98/86,158.29 = 15,317.45/x
  3. Step 3: Cross multiply
    57,436.98x = 86,158.29 × 15,317.45
  4. Step 4: Simplify right side
    57,436.98x = 1,319,724,868.37
  5. Step 5: Solve for x
    x = 1,319,724,868.37/57,436.98
  6. Step 6: Final answer
    x = 22,976.92

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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.