Home / 56,507.63-77,984.18-31,357.13

Finding the Fourth Proportional to 56,507.63, 77,984.18 and 31,357.13

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Solution

The fourth proportional to 56,507.63, 77,984.18 and 31,357.13 is: 43,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,507.63 : 77,984.18 = 31,357.13 : x
  2. Step 2: Convert to fraction form
    56,507.63/77,984.18 = 31,357.13/x
  3. Step 3: Cross multiply
    56,507.63x = 77,984.18 × 31,357.13
  4. Step 4: Simplify right side
    56,507.63x = 2,445,359,523.50
  5. Step 5: Solve for x
    x = 2,445,359,523.50/56,507.63
  6. Step 6: Final answer
    x = 43,274.86

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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.