Home / 90,093.76-124,328.55-49,808.53

Finding the Fourth Proportional to 90,093.76, 124,328.55 and 49,808.53

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Solution

The fourth proportional to 90,093.76, 124,328.55 and 49,808.53 is: 68,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,093.76 : 124,328.55 = 49,808.53 : x
  2. Step 2: Convert to fraction form
    90,093.76/124,328.55 = 49,808.53/x
  3. Step 3: Cross multiply
    90,093.76x = 124,328.55 × 49,808.53
  4. Step 4: Simplify right side
    90,093.76x = 6,192,622,312.53
  5. Step 5: Solve for x
    x = 6,192,622,312.53/90,093.76
  6. Step 6: Final answer
    x = 68,735.31

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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.