Home / 86,467.04-129,671.40-57,041.36

Finding the Fourth Proportional to 86,467.04, 129,671.40 and 57,041.36

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Solution

The fourth proportional to 86,467.04, 129,671.40 and 57,041.36 is: 85,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,467.04 : 129,671.40 = 57,041.36 : x
  2. Step 2: Convert to fraction form
    86,467.04/129,671.40 = 57,041.36/x
  3. Step 3: Cross multiply
    86,467.04x = 129,671.40 × 57,041.36
  4. Step 4: Simplify right side
    86,467.04x = 7,396,633,009.10
  5. Step 5: Solve for x
    x = 7,396,633,009.10/86,467.04
  6. Step 6: Final answer
    x = 85,542.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.