Home / 61,436.14-92,154.14-19,319.92

Finding the Fourth Proportional to 61,436.14, 92,154.14 and 19,319.92

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Solution

The fourth proportional to 61,436.14, 92,154.14 and 19,319.92 is: 28,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,436.14 : 92,154.14 = 19,319.92 : x
  2. Step 2: Convert to fraction form
    61,436.14/92,154.14 = 19,319.92/x
  3. Step 3: Cross multiply
    61,436.14x = 92,154.14 × 19,319.92
  4. Step 4: Simplify right side
    61,436.14x = 1,780,410,055.10
  5. Step 5: Solve for x
    x = 1,780,410,055.10/61,436.14
  6. Step 6: Final answer
    x = 28,979.85

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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.