Home / 90,011.08-124,214.70-49,727.44

Finding the Fourth Proportional to 90,011.08, 124,214.70 and 49,727.44

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Solution

The fourth proportional to 90,011.08, 124,214.70 and 49,727.44 is: 68,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,011.08 : 124,214.70 = 49,727.44 : x
  2. Step 2: Convert to fraction form
    90,011.08/124,214.70 = 49,727.44/x
  3. Step 3: Cross multiply
    90,011.08x = 124,214.70 × 49,727.44
  4. Step 4: Simplify right side
    90,011.08x = 6,176,879,041.37
  5. Step 5: Solve for x
    x = 6,176,879,041.37/90,011.08
  6. Step 6: Final answer
    x = 68,623.54

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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.