Home / 72,390.94-99,865.65-48,204.07

Finding the Fourth Proportional to 72,390.94, 99,865.65 and 48,204.07

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Solution

The fourth proportional to 72,390.94, 99,865.65 and 48,204.07 is: 66,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,390.94 : 99,865.65 = 48,204.07 : x
  2. Step 2: Convert to fraction form
    72,390.94/99,865.65 = 48,204.07/x
  3. Step 3: Cross multiply
    72,390.94x = 99,865.65 × 48,204.07
  4. Step 4: Simplify right side
    72,390.94x = 4,813,930,783.20
  5. Step 5: Solve for x
    x = 4,813,930,783.20/72,390.94
  6. Step 6: Final answer
    x = 66,499.08

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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.