Home / 58,111.78-80,203.44-35,455.72

Finding the Fourth Proportional to 58,111.78, 80,203.44 and 35,455.72

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Solution

The fourth proportional to 58,111.78, 80,203.44 and 35,455.72 is: 48,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,111.78 : 80,203.44 = 35,455.72 : x
  2. Step 2: Convert to fraction form
    58,111.78/80,203.44 = 35,455.72/x
  3. Step 3: Cross multiply
    58,111.78x = 80,203.44 × 35,455.72
  4. Step 4: Simplify right side
    58,111.78x = 2,843,670,711.68
  5. Step 5: Solve for x
    x = 2,843,670,711.68/58,111.78
  6. Step 6: Final answer
    x = 48,934.50

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1.5x scale

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.