Home / 72,823.08-100,505.52-40,998.24

Finding the Fourth Proportional to 72,823.08, 100,505.52 and 40,998.24

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Solution

The fourth proportional to 72,823.08, 100,505.52 and 40,998.24 is: 56,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,823.08 : 100,505.52 = 40,998.24 : x
  2. Step 2: Convert to fraction form
    72,823.08/100,505.52 = 40,998.24/x
  3. Step 3: Cross multiply
    72,823.08x = 100,505.52 × 40,998.24
  4. Step 4: Simplify right side
    72,823.08x = 4,120,549,430.28
  5. Step 5: Solve for x
    x = 4,120,549,430.28/72,823.08
  6. Step 6: Final answer
    x = 56,583.02

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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.