Home / 77,237.30-115,661.55-50,798.90

Finding the Fourth Proportional to 77,237.30, 115,661.55 and 50,798.90

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Solution

The fourth proportional to 77,237.30, 115,661.55 and 50,798.90 is: 76,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,237.30 : 115,661.55 = 50,798.90 : x
  2. Step 2: Convert to fraction form
    77,237.30/115,661.55 = 50,798.90/x
  3. Step 3: Cross multiply
    77,237.30x = 115,661.55 × 50,798.90
  4. Step 4: Simplify right side
    77,237.30x = 5,875,479,512.30
  5. Step 5: Solve for x
    x = 5,875,479,512.30/77,237.30
  6. Step 6: Final answer
    x = 76,070.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.