Home / 86,817.02-130,305.92-53,602.16

Finding the Fourth Proportional to 86,817.02, 130,305.92 and 53,602.16

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Solution

The fourth proportional to 86,817.02, 130,305.92 and 53,602.16 is: 80,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,817.02 : 130,305.92 = 53,602.16 : x
  2. Step 2: Convert to fraction form
    86,817.02/130,305.92 = 53,602.16/x
  3. Step 3: Cross multiply
    86,817.02x = 130,305.92 × 53,602.16
  4. Step 4: Simplify right side
    86,817.02x = 6,984,677,853.25
  5. Step 5: Solve for x
    x = 6,984,677,853.25/86,817.02
  6. Step 6: Final answer
    x = 80,452.87

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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.