Home / 86,490.02-129,725.38-23,316.44

Finding the Fourth Proportional to 86,490.02, 129,725.38 and 23,316.44

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Solution

The fourth proportional to 86,490.02, 129,725.38 and 23,316.44 is: 34,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490.02 : 129,725.38 = 23,316.44 : x
  2. Step 2: Convert to fraction form
    86,490.02/129,725.38 = 23,316.44/x
  3. Step 3: Cross multiply
    86,490.02x = 129,725.38 × 23,316.44
  4. Step 4: Simplify right side
    86,490.02x = 3,024,733,419.77
  5. Step 5: Solve for x
    x = 3,024,733,419.77/86,490.02
  6. Step 6: Final answer
    x = 34,972.05

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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.