Home / 72,337.77-99,834.65-40,500.52

Finding the Fourth Proportional to 72,337.77, 99,834.65 and 40,500.52

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Solution

The fourth proportional to 72,337.77, 99,834.65 and 40,500.52 is: 55,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.77 : 99,834.65 = 40,500.52 : x
  2. Step 2: Convert to fraction form
    72,337.77/99,834.65 = 40,500.52/x
  3. Step 3: Cross multiply
    72,337.77x = 99,834.65 × 40,500.52
  4. Step 4: Simplify right side
    72,337.77x = 4,043,355,239.02
  5. Step 5: Solve for x
    x = 4,043,355,239.02/72,337.77
  6. Step 6: Final answer
    x = 55,895.49

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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.