Home / 80,703.08-111,394.50-52,412.84

Finding the Fourth Proportional to 80,703.08, 111,394.50 and 52,412.84

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Solution

The fourth proportional to 80,703.08, 111,394.50 and 52,412.84 is: 72,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,703.08 : 111,394.50 = 52,412.84 : x
  2. Step 2: Convert to fraction form
    80,703.08/111,394.50 = 52,412.84/x
  3. Step 3: Cross multiply
    80,703.08x = 111,394.50 × 52,412.84
  4. Step 4: Simplify right side
    80,703.08x = 5,838,502,105.38
  5. Step 5: Solve for x
    x = 5,838,502,105.38/80,703.08
  6. Step 6: Final answer
    x = 72,345.47

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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.