Home / 81,182.51-112,024.37-45,367.55

Finding the Fourth Proportional to 81,182.51, 112,024.37 and 45,367.55

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Solution

The fourth proportional to 81,182.51, 112,024.37 and 45,367.55 is: 62,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182.51 : 112,024.37 = 45,367.55 : x
  2. Step 2: Convert to fraction form
    81,182.51/112,024.37 = 45,367.55/x
  3. Step 3: Cross multiply
    81,182.51x = 112,024.37 × 45,367.55
  4. Step 4: Simplify right side
    81,182.51x = 5,082,270,980.36
  5. Step 5: Solve for x
    x = 5,082,270,980.36/81,182.51
  6. Step 6: Final answer
    x = 62,603.03

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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.