Home / 72,984.60-100,581.12-52,807.32

Finding the Fourth Proportional to 72,984.60, 100,581.12 and 52,807.32

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Solution

The fourth proportional to 72,984.60, 100,581.12 and 52,807.32 is: 72,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,984.60 : 100,581.12 = 52,807.32 : x
  2. Step 2: Convert to fraction form
    72,984.60/100,581.12 = 52,807.32/x
  3. Step 3: Cross multiply
    72,984.60x = 100,581.12 × 52,807.32
  4. Step 4: Simplify right side
    72,984.60x = 5,311,419,389.80
  5. Step 5: Solve for x
    x = 5,311,419,389.80/72,984.60
  6. Step 6: Final answer
    x = 72,774.52

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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.