Home / 73,688.08-110,545.49-42,133.72

Finding the Fourth Proportional to 73,688.08, 110,545.49 and 42,133.72

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Solution

The fourth proportional to 73,688.08, 110,545.49 and 42,133.72 is: 63,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,688.08 : 110,545.49 = 42,133.72 : x
  2. Step 2: Convert to fraction form
    73,688.08/110,545.49 = 42,133.72/x
  3. Step 3: Cross multiply
    73,688.08x = 110,545.49 × 42,133.72
  4. Step 4: Simplify right side
    73,688.08x = 4,657,692,722.92
  5. Step 5: Solve for x
    x = 4,657,692,722.92/73,688.08
  6. Step 6: Final answer
    x = 63,208.22

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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.