Home / 90,225.36-124,509.15-49,936.74

Finding the Fourth Proportional to 90,225.36, 124,509.15 and 49,936.74

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Solution

The fourth proportional to 90,225.36, 124,509.15 and 49,936.74 is: 68,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,225.36 : 124,509.15 = 49,936.74 : x
  2. Step 2: Convert to fraction form
    90,225.36/124,509.15 = 49,936.74/x
  3. Step 3: Cross multiply
    90,225.36x = 124,509.15 × 49,936.74
  4. Step 4: Simplify right side
    90,225.36x = 6,217,580,584.26
  5. Step 5: Solve for x
    x = 6,217,580,584.26/90,225.36
  6. Step 6: Final answer
    x = 68,911.67

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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.