Home / 90,369.24-124,709.36-49,534.35

Finding the Fourth Proportional to 90,369.24, 124,709.36 and 49,534.35

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Solution

The fourth proportional to 90,369.24, 124,709.36 and 49,534.35 is: 68,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,369.24 : 124,709.36 = 49,534.35 : x
  2. Step 2: Convert to fraction form
    90,369.24/124,709.36 = 49,534.35/x
  3. Step 3: Cross multiply
    90,369.24x = 124,709.36 × 49,534.35
  4. Step 4: Simplify right side
    90,369.24x = 6,177,396,838.84
  5. Step 5: Solve for x
    x = 6,177,396,838.84/90,369.24
  6. Step 6: Final answer
    x = 68,357.30

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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.