Home / 84,312.43-116,341.20-50,314.63

Finding the Fourth Proportional to 84,312.43, 116,341.20 and 50,314.63

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Solution

The fourth proportional to 84,312.43, 116,341.20 and 50,314.63 is: 69,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,312.43 : 116,341.20 = 50,314.63 : x
  2. Step 2: Convert to fraction form
    84,312.43/116,341.20 = 50,314.63/x
  3. Step 3: Cross multiply
    84,312.43x = 116,341.20 × 50,314.63
  4. Step 4: Simplify right side
    84,312.43x = 5,853,664,431.76
  5. Step 5: Solve for x
    x = 5,853,664,431.76/84,312.43
  6. Step 6: Final answer
    x = 69,428.25

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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.