Home / 81,346.68-112,253.14-45,536.38

Finding the Fourth Proportional to 81,346.68, 112,253.14 and 45,536.38

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Solution

The fourth proportional to 81,346.68, 112,253.14 and 45,536.38 is: 62,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346.68 : 112,253.14 = 45,536.38 : x
  2. Step 2: Convert to fraction form
    81,346.68/112,253.14 = 45,536.38/x
  3. Step 3: Cross multiply
    81,346.68x = 112,253.14 × 45,536.38
  4. Step 4: Simplify right side
    81,346.68x = 5,111,601,415.52
  5. Step 5: Solve for x
    x = 5,111,601,415.52/81,346.68
  6. Step 6: Final answer
    x = 62,837.25

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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.