Home / 86,020.02-128,936.88-36,127.26

Finding the Fourth Proportional to 86,020.02, 128,936.88 and 36,127.26

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Solution

The fourth proportional to 86,020.02, 128,936.88 and 36,127.26 is: 54,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,020.02 : 128,936.88 = 36,127.26 : x
  2. Step 2: Convert to fraction form
    86,020.02/128,936.88 = 36,127.26/x
  3. Step 3: Cross multiply
    86,020.02x = 128,936.88 × 36,127.26
  4. Step 4: Simplify right side
    86,020.02x = 4,658,136,187.35
  5. Step 5: Solve for x
    x = 4,658,136,187.35/86,020.02
  6. Step 6: Final answer
    x = 54,151.77

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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.