Home / 72,036.68-99,394.64-41,804.42

Finding the Fourth Proportional to 72,036.68, 99,394.64 and 41,804.42

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Solution

The fourth proportional to 72,036.68, 99,394.64 and 41,804.42 is: 57,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036.68 : 99,394.64 = 41,804.42 : x
  2. Step 2: Convert to fraction form
    72,036.68/99,394.64 = 41,804.42/x
  3. Step 3: Cross multiply
    72,036.68x = 99,394.64 × 41,804.42
  4. Step 4: Simplify right side
    72,036.68x = 4,155,135,276.31
  5. Step 5: Solve for x
    x = 4,155,135,276.31/72,036.68
  6. Step 6: Final answer
    x = 57,680.83

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1.5x scale

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.