Home / 72,331.08-99,800.73-43,655.40

Finding the Fourth Proportional to 72,331.08, 99,800.73 and 43,655.40

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Solution

The fourth proportional to 72,331.08, 99,800.73 and 43,655.40 is: 60,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,331.08 : 99,800.73 = 43,655.40 : x
  2. Step 2: Convert to fraction form
    72,331.08/99,800.73 = 43,655.40/x
  3. Step 3: Cross multiply
    72,331.08x = 99,800.73 × 43,655.40
  4. Step 4: Simplify right side
    72,331.08x = 4,356,840,788.44
  5. Step 5: Solve for x
    x = 4,356,840,788.44/72,331.08
  6. Step 6: Final answer
    x = 60,234.70

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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.