Home / 90,320.46-124,636.90-49,476.46

Finding the Fourth Proportional to 90,320.46, 124,636.90 and 49,476.46

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Solution

The fourth proportional to 90,320.46, 124,636.90 and 49,476.46 is: 68,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,320.46 : 124,636.90 = 49,476.46 : x
  2. Step 2: Convert to fraction form
    90,320.46/124,636.90 = 49,476.46/x
  3. Step 3: Cross multiply
    90,320.46x = 124,636.90 × 49,476.46
  4. Step 4: Simplify right side
    90,320.46x = 6,166,592,597.37
  5. Step 5: Solve for x
    x = 6,166,592,597.37/90,320.46
  6. Step 6: Final answer
    x = 68,274.59

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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.