Home / 81,346.48-112,257.02-45,536.51

Finding the Fourth Proportional to 81,346.48, 112,257.02 and 45,536.51

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Solution

The fourth proportional to 81,346.48, 112,257.02 and 45,536.51 is: 62,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346.48 : 112,257.02 = 45,536.51 : x
  2. Step 2: Convert to fraction form
    81,346.48/112,257.02 = 45,536.51/x
  3. Step 3: Cross multiply
    81,346.48x = 112,257.02 × 45,536.51
  4. Step 4: Simplify right side
    81,346.48x = 5,111,793,308.28
  5. Step 5: Solve for x
    x = 5,111,793,308.28/81,346.48
  6. Step 6: Final answer
    x = 62,839.76

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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.