Home / 84,341.52-116,478.45-72,956.36

Finding the Fourth Proportional to 84,341.52, 116,478.45 and 72,956.36

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Solution

The fourth proportional to 84,341.52, 116,478.45 and 72,956.36 is: 100,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341.52 : 116,478.45 = 72,956.36 : x
  2. Step 2: Convert to fraction form
    84,341.52/116,478.45 = 72,956.36/x
  3. Step 3: Cross multiply
    84,341.52x = 116,478.45 × 72,956.36
  4. Step 4: Simplify right side
    84,341.52x = 8,497,843,148.05
  5. Step 5: Solve for x
    x = 8,497,843,148.05/84,341.52
  6. Step 6: Final answer
    x = 100,755.16

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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.