Home / 58,639.36-80,877.12-40,734.08

Finding the Fourth Proportional to 58,639.36, 80,877.12 and 40,734.08

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Solution

The fourth proportional to 58,639.36, 80,877.12 and 40,734.08 is: 56,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,639.36 : 80,877.12 = 40,734.08 : x
  2. Step 2: Convert to fraction form
    58,639.36/80,877.12 = 40,734.08/x
  3. Step 3: Cross multiply
    58,639.36x = 80,877.12 × 40,734.08
  4. Step 4: Simplify right side
    58,639.36x = 3,294,455,076.25
  5. Step 5: Solve for x
    x = 3,294,455,076.25/58,639.36
  6. Step 6: Final answer
    x = 56,181.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.