Home / 83,533.28-115,428.64-60,832.72

Finding the Fourth Proportional to 83,533.28, 115,428.64 and 60,832.72

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Solution

The fourth proportional to 83,533.28, 115,428.64 and 60,832.72 is: 84,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,533.28 : 115,428.64 = 60,832.72 : x
  2. Step 2: Convert to fraction form
    83,533.28/115,428.64 = 60,832.72/x
  3. Step 3: Cross multiply
    83,533.28x = 115,428.64 × 60,832.72
  4. Step 4: Simplify right side
    83,533.28x = 7,021,838,137.10
  5. Step 5: Solve for x
    x = 7,021,838,137.10/83,533.28
  6. Step 6: Final answer
    x = 84,060.37

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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.