Home / 56,186.12-77,536.50-31,035.56

Finding the Fourth Proportional to 56,186.12, 77,536.50 and 31,035.56

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Solution

The fourth proportional to 56,186.12, 77,536.50 and 31,035.56 is: 42,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,186.12 : 77,536.50 = 31,035.56 : x
  2. Step 2: Convert to fraction form
    56,186.12/77,536.50 = 31,035.56/x
  3. Step 3: Cross multiply
    56,186.12x = 77,536.50 × 31,035.56
  4. Step 4: Simplify right side
    56,186.12x = 2,406,388,697.94
  5. Step 5: Solve for x
    x = 2,406,388,697.94/56,186.12
  6. Step 6: Final answer
    x = 42,828.88

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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.