Home / 72,360.50-99,869.38-45,507.02

Finding the Fourth Proportional to 72,360.50, 99,869.38 and 45,507.02

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Solution

The fourth proportional to 72,360.50, 99,869.38 and 45,507.02 is: 62,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,360.50 : 99,869.38 = 45,507.02 : x
  2. Step 2: Convert to fraction form
    72,360.50/99,869.38 = 45,507.02/x
  3. Step 3: Cross multiply
    72,360.50x = 99,869.38 × 45,507.02
  4. Step 4: Simplify right side
    72,360.50x = 4,544,757,873.05
  5. Step 5: Solve for x
    x = 4,544,757,873.05/72,360.50
  6. Step 6: Final answer
    x = 62,807.17

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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.