Home / 57,407.02-79,222.64-31,566.66

Finding the Fourth Proportional to 57,407.02, 79,222.64 and 31,566.66

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Solution

The fourth proportional to 57,407.02, 79,222.64 and 31,566.66 is: 43,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.02 : 79,222.64 = 31,566.66 : x
  2. Step 2: Convert to fraction form
    57,407.02/79,222.64 = 31,566.66/x
  3. Step 3: Cross multiply
    57,407.02x = 79,222.64 × 31,566.66
  4. Step 4: Simplify right side
    57,407.02x = 2,500,794,141.18
  5. Step 5: Solve for x
    x = 2,500,794,141.18/57,407.02
  6. Step 6: Final answer
    x = 43,562.51

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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.