Home / 65,567.28-90,407.97-53,891.94

Finding the Fourth Proportional to 65,567.28, 90,407.97 and 53,891.94

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Solution

The fourth proportional to 65,567.28, 90,407.97 and 53,891.94 is: 74,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,567.28 : 90,407.97 = 53,891.94 : x
  2. Step 2: Convert to fraction form
    65,567.28/90,407.97 = 53,891.94/x
  3. Step 3: Cross multiply
    65,567.28x = 90,407.97 × 53,891.94
  4. Step 4: Simplify right side
    65,567.28x = 4,872,260,894.76
  5. Step 5: Solve for x
    x = 4,872,260,894.76/65,567.28
  6. Step 6: Final answer
    x = 74,309.33

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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.