Home / 90,812.74-125,319.63-52,573.91

Finding the Fourth Proportional to 90,812.74, 125,319.63 and 52,573.91

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Solution

The fourth proportional to 90,812.74, 125,319.63 and 52,573.91 is: 72,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812.74 : 125,319.63 = 52,573.91 : x
  2. Step 2: Convert to fraction form
    90,812.74/125,319.63 = 52,573.91/x
  3. Step 3: Cross multiply
    90,812.74x = 125,319.63 × 52,573.91
  4. Step 4: Simplify right side
    90,812.74x = 6,588,542,059.39
  5. Step 5: Solve for x
    x = 6,588,542,059.39/90,812.74
  6. Step 6: Final answer
    x = 72,550.86

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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.