Home / 52,303.14-78,739.32-47,653.02

Finding the Fourth Proportional to 52,303.14, 78,739.32 and 47,653.02

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Solution

The fourth proportional to 52,303.14, 78,739.32 and 47,653.02 is: 71,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,303.14 : 78,739.32 = 47,653.02 : x
  2. Step 2: Convert to fraction form
    52,303.14/78,739.32 = 47,653.02/x
  3. Step 3: Cross multiply
    52,303.14x = 78,739.32 × 47,653.02
  4. Step 4: Simplify right side
    52,303.14x = 3,752,166,390.75
  5. Step 5: Solve for x
    x = 3,752,166,390.75/52,303.14
  6. Step 6: Final answer
    x = 71,738.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.