Home / 81,535.14-112,519.43-45,237.26

Finding the Fourth Proportional to 81,535.14, 112,519.43 and 45,237.26

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Solution

The fourth proportional to 81,535.14, 112,519.43 and 45,237.26 is: 62,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,535.14 : 112,519.43 = 45,237.26 : x
  2. Step 2: Convert to fraction form
    81,535.14/112,519.43 = 45,237.26/x
  3. Step 3: Cross multiply
    81,535.14x = 112,519.43 × 45,237.26
  4. Step 4: Simplify right side
    81,535.14x = 5,090,070,618.25
  5. Step 5: Solve for x
    x = 5,090,070,618.25/81,535.14
  6. Step 6: Final answer
    x = 62,427.93

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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.