Home / 57,431.37-86,205.38-40,810.17

Finding the Fourth Proportional to 57,431.37, 86,205.38 and 40,810.17

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Solution

The fourth proportional to 57,431.37, 86,205.38 and 40,810.17 is: 61,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.37 : 86,205.38 = 40,810.17 : x
  2. Step 2: Convert to fraction form
    57,431.37/86,205.38 = 40,810.17/x
  3. Step 3: Cross multiply
    57,431.37x = 86,205.38 × 40,810.17
  4. Step 4: Simplify right side
    57,431.37x = 3,518,056,008.66
  5. Step 5: Solve for x
    x = 3,518,056,008.66/57,431.37
  6. Step 6: Final answer
    x = 61,256.70

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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.