Home / 80,875.07-111,606.08-45,064.31

Finding the Fourth Proportional to 80,875.07, 111,606.08 and 45,064.31

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Solution

The fourth proportional to 80,875.07, 111,606.08 and 45,064.31 is: 62,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875.07 : 111,606.08 = 45,064.31 : x
  2. Step 2: Convert to fraction form
    80,875.07/111,606.08 = 45,064.31/x
  3. Step 3: Cross multiply
    80,875.07x = 111,606.08 × 45,064.31
  4. Step 4: Simplify right side
    80,875.07x = 5,029,450,203.65
  5. Step 5: Solve for x
    x = 5,029,450,203.65/80,875.07
  6. Step 6: Final answer
    x = 62,187.90

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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.