Home / 81,346.07-112,259.93-45,535.87

Finding the Fourth Proportional to 81,346.07, 112,259.93 and 45,535.87

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Solution

The fourth proportional to 81,346.07, 112,259.93 and 45,535.87 is: 62,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346.07 : 112,259.93 = 45,535.87 : x
  2. Step 2: Convert to fraction form
    81,346.07/112,259.93 = 45,535.87/x
  3. Step 3: Cross multiply
    81,346.07x = 112,259.93 × 45,535.87
  4. Step 4: Simplify right side
    81,346.07x = 5,111,853,491.33
  5. Step 5: Solve for x
    x = 5,111,853,491.33/81,346.07
  6. Step 6: Final answer
    x = 62,840.81

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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.