Home / 72,925.10-109,343.89-28,498.93

Finding the Fourth Proportional to 72,925.10, 109,343.89 and 28,498.93

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Solution

The fourth proportional to 72,925.10, 109,343.89 and 28,498.93 is: 42,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,925.10 : 109,343.89 = 28,498.93 : x
  2. Step 2: Convert to fraction form
    72,925.10/109,343.89 = 28,498.93/x
  3. Step 3: Cross multiply
    72,925.10x = 109,343.89 × 28,498.93
  4. Step 4: Simplify right side
    72,925.10x = 3,116,183,867.04
  5. Step 5: Solve for x
    x = 3,116,183,867.04/72,925.10
  6. Step 6: Final answer
    x = 42,731.29

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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.