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Finding the Fourth Proportional to 80,798.34, 111,484.80 and 46,804.80

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Solution

The fourth proportional to 80,798.34, 111,484.80 and 46,804.80 is: 64,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,798.34 : 111,484.80 = 46,804.80 : x
  2. Step 2: Convert to fraction form
    80,798.34/111,484.80 = 46,804.80/x
  3. Step 3: Cross multiply
    80,798.34x = 111,484.80 × 46,804.80
  4. Step 4: Simplify right side
    80,798.34x = 5,218,023,767.04
  5. Step 5: Solve for x
    x = 5,218,023,767.04/80,798.34
  6. Step 6: Final answer
    x = 64,580.83

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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.