Home / 90,795.24-125,299.98-50,510.28

Finding the Fourth Proportional to 90,795.24, 125,299.98 and 50,510.28

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Solution

The fourth proportional to 90,795.24, 125,299.98 and 50,510.28 is: 69,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795.24 : 125,299.98 = 50,510.28 : x
  2. Step 2: Convert to fraction form
    90,795.24/125,299.98 = 50,510.28/x
  3. Step 3: Cross multiply
    90,795.24x = 125,299.98 × 50,510.28
  4. Step 4: Simplify right side
    90,795.24x = 6,328,937,073.79
  5. Step 5: Solve for x
    x = 6,328,937,073.79/90,795.24
  6. Step 6: Final answer
    x = 69,705.60

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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.