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Finding the Fourth Proportional to 72,700.32, 109,050.36 and 22,784.26

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Solution

The fourth proportional to 72,700.32, 109,050.36 and 22,784.26 is: 34,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,700.32 : 109,050.36 = 22,784.26 : x
  2. Step 2: Convert to fraction form
    72,700.32/109,050.36 = 22,784.26/x
  3. Step 3: Cross multiply
    72,700.32x = 109,050.36 × 22,784.26
  4. Step 4: Simplify right side
    72,700.32x = 2,484,631,755.33
  5. Step 5: Solve for x
    x = 2,484,631,755.33/72,700.32
  6. Step 6: Final answer
    x = 34,176.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.