Home / 65,799.79-90,697.05-51,434.24

Finding the Fourth Proportional to 65,799.79, 90,697.05 and 51,434.24

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Solution

The fourth proportional to 65,799.79, 90,697.05 and 51,434.24 is: 70,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,799.79 : 90,697.05 = 51,434.24 : x
  2. Step 2: Convert to fraction form
    65,799.79/90,697.05 = 51,434.24/x
  3. Step 3: Cross multiply
    65,799.79x = 90,697.05 × 51,434.24
  4. Step 4: Simplify right side
    65,799.79x = 4,664,933,383.51
  5. Step 5: Solve for x
    x = 4,664,933,383.51/65,799.79
  6. Step 6: Final answer
    x = 70,895.87

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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.