Home / 91,985.32-137,995.58-29,639.08

Finding the Fourth Proportional to 91,985.32, 137,995.58 and 29,639.08

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Solution

The fourth proportional to 91,985.32, 137,995.58 and 29,639.08 is: 44,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,985.32 : 137,995.58 = 29,639.08 : x
  2. Step 2: Convert to fraction form
    91,985.32/137,995.58 = 29,639.08/x
  3. Step 3: Cross multiply
    91,985.32x = 137,995.58 × 29,639.08
  4. Step 4: Simplify right side
    91,985.32x = 4,090,062,035.27
  5. Step 5: Solve for x
    x = 4,090,062,035.27/91,985.32
  6. Step 6: Final answer
    x = 44,464.29

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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.