Home / 57,760.17-86,661.72-35,316.90

Finding the Fourth Proportional to 57,760.17, 86,661.72 and 35,316.90

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Solution

The fourth proportional to 57,760.17, 86,661.72 and 35,316.90 is: 52,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760.17 : 86,661.72 = 35,316.90 : x
  2. Step 2: Convert to fraction form
    57,760.17/86,661.72 = 35,316.90/x
  3. Step 3: Cross multiply
    57,760.17x = 86,661.72 × 35,316.90
  4. Step 4: Simplify right side
    57,760.17x = 3,060,623,299.07
  5. Step 5: Solve for x
    x = 3,060,623,299.07/57,760.17
  6. Step 6: Final answer
    x = 52,988.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.