Home / 80,875.57-111,606.77-45,064.81

Finding the Fourth Proportional to 80,875.57, 111,606.77 and 45,064.81

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Solution

The fourth proportional to 80,875.57, 111,606.77 and 45,064.81 is: 62,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875.57 : 111,606.77 = 45,064.81 : x
  2. Step 2: Convert to fraction form
    80,875.57/111,606.77 = 45,064.81/x
  3. Step 3: Cross multiply
    80,875.57x = 111,606.77 × 45,064.81
  4. Step 4: Simplify right side
    80,875.57x = 5,029,537,884.76
  5. Step 5: Solve for x
    x = 5,029,537,884.76/80,875.57
  6. Step 6: Final answer
    x = 62,188.59

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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.