Home / 65,397.36-90,076.48-50,261.08

Finding the Fourth Proportional to 65,397.36, 90,076.48 and 50,261.08

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Solution

The fourth proportional to 65,397.36, 90,076.48 and 50,261.08 is: 69,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,397.36 : 90,076.48 = 50,261.08 : x
  2. Step 2: Convert to fraction form
    65,397.36/90,076.48 = 50,261.08/x
  3. Step 3: Cross multiply
    65,397.36x = 90,076.48 × 50,261.08
  4. Step 4: Simplify right side
    65,397.36x = 4,527,341,167.40
  5. Step 5: Solve for x
    x = 4,527,341,167.40/65,397.36
  6. Step 6: Final answer
    x = 69,228.19

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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.