Home / 90,084.99-124,311.35-51,838.36

Finding the Fourth Proportional to 90,084.99, 124,311.35 and 51,838.36

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Solution

The fourth proportional to 90,084.99, 124,311.35 and 51,838.36 is: 71,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,084.99 : 124,311.35 = 51,838.36 : x
  2. Step 2: Convert to fraction form
    90,084.99/124,311.35 = 51,838.36/x
  3. Step 3: Cross multiply
    90,084.99x = 124,311.35 × 51,838.36
  4. Step 4: Simplify right side
    90,084.99x = 6,444,096,513.39
  5. Step 5: Solve for x
    x = 6,444,096,513.39/90,084.99
  6. Step 6: Final answer
    x = 71,533.52

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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.