Home / 84,742.29-116,848.71-69,380.91

Finding the Fourth Proportional to 84,742.29, 116,848.71 and 69,380.91

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Solution

The fourth proportional to 84,742.29, 116,848.71 and 69,380.91 is: 95,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742.29 : 116,848.71 = 69,380.91 : x
  2. Step 2: Convert to fraction form
    84,742.29/116,848.71 = 69,380.91/x
  3. Step 3: Cross multiply
    84,742.29x = 116,848.71 × 69,380.91
  4. Step 4: Simplify right side
    84,742.29x = 8,107,069,832.13
  5. Step 5: Solve for x
    x = 8,107,069,832.13/84,742.29
  6. Step 6: Final answer
    x = 95,667.34

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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.