Home / 90,214.72-124,496.58-49,931.26

Finding the Fourth Proportional to 90,214.72, 124,496.58 and 49,931.26

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Solution

The fourth proportional to 90,214.72, 124,496.58 and 49,931.26 is: 68,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,214.72 : 124,496.58 = 49,931.26 : x
  2. Step 2: Convert to fraction form
    90,214.72/124,496.58 = 49,931.26/x
  3. Step 3: Cross multiply
    90,214.72x = 124,496.58 × 49,931.26
  4. Step 4: Simplify right side
    90,214.72x = 6,216,271,105.09
  5. Step 5: Solve for x
    x = 6,216,271,105.09/90,214.72
  6. Step 6: Final answer
    x = 68,905.29

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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.