Home / 81,365.07-112,282.59-45,063.06

Finding the Fourth Proportional to 81,365.07, 112,282.59 and 45,063.06

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Solution

The fourth proportional to 81,365.07, 112,282.59 and 45,063.06 is: 62,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,365.07 : 112,282.59 = 45,063.06 : x
  2. Step 2: Convert to fraction form
    81,365.07/112,282.59 = 45,063.06/x
  3. Step 3: Cross multiply
    81,365.07x = 112,282.59 × 45,063.06
  4. Step 4: Simplify right side
    81,365.07x = 5,059,797,090.13
  5. Step 5: Solve for x
    x = 5,059,797,090.13/81,365.07
  6. Step 6: Final answer
    x = 62,186.35

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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.