Home / 56,186.16-77,536.90-31,035.66

Finding the Fourth Proportional to 56,186.16, 77,536.90 and 31,035.66

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Solution

The fourth proportional to 56,186.16, 77,536.90 and 31,035.66 is: 42,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,186.16 : 77,536.90 = 31,035.66 : x
  2. Step 2: Convert to fraction form
    56,186.16/77,536.90 = 31,035.66/x
  3. Step 3: Cross multiply
    56,186.16x = 77,536.90 × 31,035.66
  4. Step 4: Simplify right side
    56,186.16x = 2,406,408,439.31
  5. Step 5: Solve for x
    x = 2,406,408,439.31/56,186.16
  6. Step 6: Final answer
    x = 42,829.21

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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.