Home / 86,795.55-130,192.38-65,864.14

Finding the Fourth Proportional to 86,795.55, 130,192.38 and 65,864.14

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Solution

The fourth proportional to 86,795.55, 130,192.38 and 65,864.14 is: 98,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,795.55 : 130,192.38 = 65,864.14 : x
  2. Step 2: Convert to fraction form
    86,795.55/130,192.38 = 65,864.14/x
  3. Step 3: Cross multiply
    86,795.55x = 130,192.38 × 65,864.14
  4. Step 4: Simplify right side
    86,795.55x = 8,575,009,143.25
  5. Step 5: Solve for x
    x = 8,575,009,143.25/86,795.55
  6. Step 6: Final answer
    x = 98,795.49

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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.