Home / 77,944.68-116,888.15-28,011.32

Finding the Fourth Proportional to 77,944.68, 116,888.15 and 28,011.32

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Solution

The fourth proportional to 77,944.68, 116,888.15 and 28,011.32 is: 42,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,944.68 : 116,888.15 = 28,011.32 : x
  2. Step 2: Convert to fraction form
    77,944.68/116,888.15 = 28,011.32/x
  3. Step 3: Cross multiply
    77,944.68x = 116,888.15 × 28,011.32
  4. Step 4: Simplify right side
    77,944.68x = 3,274,191,373.86
  5. Step 5: Solve for x
    x = 3,274,191,373.86/77,944.68
  6. Step 6: Final answer
    x = 42,006.60

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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.