Home / 86,647.55-129,970.29-27,483.73

Finding the Fourth Proportional to 86,647.55, 129,970.29 and 27,483.73

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Solution

The fourth proportional to 86,647.55, 129,970.29 and 27,483.73 is: 41,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,647.55 : 129,970.29 = 27,483.73 : x
  2. Step 2: Convert to fraction form
    86,647.55/129,970.29 = 27,483.73/x
  3. Step 3: Cross multiply
    86,647.55x = 129,970.29 × 27,483.73
  4. Step 4: Simplify right side
    86,647.55x = 3,572,068,623.91
  5. Step 5: Solve for x
    x = 3,572,068,623.91/86,647.55
  6. Step 6: Final answer
    x = 41,225.27

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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.