Home / 90,592.74-125,013.80-50,309.07

Finding the Fourth Proportional to 90,592.74, 125,013.80 and 50,309.07

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Solution

The fourth proportional to 90,592.74, 125,013.80 and 50,309.07 is: 69,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.74 : 125,013.80 = 50,309.07 : x
  2. Step 2: Convert to fraction form
    90,592.74/125,013.80 = 50,309.07/x
  3. Step 3: Cross multiply
    90,592.74x = 125,013.80 × 50,309.07
  4. Step 4: Simplify right side
    90,592.74x = 6,289,328,015.17
  5. Step 5: Solve for x
    x = 6,289,328,015.17/90,592.74
  6. Step 6: Final answer
    x = 69,424.19

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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.