Home / 86,248.04-129,328.30-39,460.82

Finding the Fourth Proportional to 86,248.04, 129,328.30 and 39,460.82

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Solution

The fourth proportional to 86,248.04, 129,328.30 and 39,460.82 is: 59,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,248.04 : 129,328.30 = 39,460.82 : x
  2. Step 2: Convert to fraction form
    86,248.04/129,328.30 = 39,460.82/x
  3. Step 3: Cross multiply
    86,248.04x = 129,328.30 × 39,460.82
  4. Step 4: Simplify right side
    86,248.04x = 5,103,400,767.21
  5. Step 5: Solve for x
    x = 5,103,400,767.21/86,248.04
  6. Step 6: Final answer
    x = 59,171.21

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1.5x scale

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.