Home / 86,803.16-130,204.36-36,875.60

Finding the Fourth Proportional to 86,803.16, 130,204.36 and 36,875.60

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Solution

The fourth proportional to 86,803.16, 130,204.36 and 36,875.60 is: 55,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803.16 : 130,204.36 = 36,875.60 : x
  2. Step 2: Convert to fraction form
    86,803.16/130,204.36 = 36,875.60/x
  3. Step 3: Cross multiply
    86,803.16x = 130,204.36 × 36,875.60
  4. Step 4: Simplify right side
    86,803.16x = 4,801,363,897.62
  5. Step 5: Solve for x
    x = 4,801,363,897.62/86,803.16
  6. Step 6: Final answer
    x = 55,313.24

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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.