Home / 92,997.90-128,335.58-50,557.50

Finding the Fourth Proportional to 92,997.90, 128,335.58 and 50,557.50

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Solution

The fourth proportional to 92,997.90, 128,335.58 and 50,557.50 is: 69,768.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,997.90 : 128,335.58 = 50,557.50 : x
  2. Step 2: Convert to fraction form
    92,997.90/128,335.58 = 50,557.50/x
  3. Step 3: Cross multiply
    92,997.90x = 128,335.58 × 50,557.50
  4. Step 4: Simplify right side
    92,997.90x = 6,488,326,085.85
  5. Step 5: Solve for x
    x = 6,488,326,085.85/92,997.90
  6. Step 6: Final answer
    x = 69,768.52

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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.