Home / 65,769.19-90,740.07-40,248.93

Finding the Fourth Proportional to 65,769.19, 90,740.07 and 40,248.93

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Solution

The fourth proportional to 65,769.19, 90,740.07 and 40,248.93 is: 55,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769.19 : 90,740.07 = 40,248.93 : x
  2. Step 2: Convert to fraction form
    65,769.19/90,740.07 = 40,248.93/x
  3. Step 3: Cross multiply
    65,769.19x = 90,740.07 × 40,248.93
  4. Step 4: Simplify right side
    65,769.19x = 3,652,190,725.63
  5. Step 5: Solve for x
    x = 3,652,190,725.63/65,769.19
  6. Step 6: Final answer
    x = 55,530.42

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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.