Home / 87,322.08-130,857.98-49,804.50

Finding the Fourth Proportional to 87,322.08, 130,857.98 and 49,804.50

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Solution

The fourth proportional to 87,322.08, 130,857.98 and 49,804.50 is: 74,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,322.08 : 130,857.98 = 49,804.50 : x
  2. Step 2: Convert to fraction form
    87,322.08/130,857.98 = 49,804.50/x
  3. Step 3: Cross multiply
    87,322.08x = 130,857.98 × 49,804.50
  4. Step 4: Simplify right side
    87,322.08x = 6,517,316,264.91
  5. Step 5: Solve for x
    x = 6,517,316,264.91/87,322.08
  6. Step 6: Final answer
    x = 74,635.38

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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.