Home / 57,846.47-86,670.68-31,569.66

Finding the Fourth Proportional to 57,846.47, 86,670.68 and 31,569.66

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Solution

The fourth proportional to 57,846.47, 86,670.68 and 31,569.66 is: 47,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,846.47 : 86,670.68 = 31,569.66 : x
  2. Step 2: Convert to fraction form
    57,846.47/86,670.68 = 31,569.66/x
  3. Step 3: Cross multiply
    57,846.47x = 86,670.68 × 31,569.66
  4. Step 4: Simplify right side
    57,846.47x = 2,736,163,741.72
  5. Step 5: Solve for x
    x = 2,736,163,741.72/57,846.47
  6. Step 6: Final answer
    x = 47,300.45

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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.