Home / 90,701.52-125,166.84-50,415.36

Finding the Fourth Proportional to 90,701.52, 125,166.84 and 50,415.36

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Solution

The fourth proportional to 90,701.52, 125,166.84 and 50,415.36 is: 69,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,701.52 : 125,166.84 = 50,415.36 : x
  2. Step 2: Convert to fraction form
    90,701.52/125,166.84 = 50,415.36/x
  3. Step 3: Cross multiply
    90,701.52x = 125,166.84 × 50,415.36
  4. Step 4: Simplify right side
    90,701.52x = 6,310,331,298.66
  5. Step 5: Solve for x
    x = 6,310,331,298.66/90,701.52
  6. Step 6: Final answer
    x = 69,572.50

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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.