Home / 84,219.09-116,220.47-45,977.17

Finding the Fourth Proportional to 84,219.09, 116,220.47 and 45,977.17

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Solution

The fourth proportional to 84,219.09, 116,220.47 and 45,977.17 is: 63,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,219.09 : 116,220.47 = 45,977.17 : x
  2. Step 2: Convert to fraction form
    84,219.09/116,220.47 = 45,977.17/x
  3. Step 3: Cross multiply
    84,219.09x = 116,220.47 × 45,977.17
  4. Step 4: Simplify right side
    84,219.09x = 5,343,488,262.77
  5. Step 5: Solve for x
    x = 5,343,488,262.77/84,219.09
  6. Step 6: Final answer
    x = 63,447.47

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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.