Home / 86,965.66-130,261.01-58,730.46

Finding the Fourth Proportional to 86,965.66, 130,261.01 and 58,730.46

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Solution

The fourth proportional to 86,965.66, 130,261.01 and 58,730.46 is: 87,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,965.66 : 130,261.01 = 58,730.46 : x
  2. Step 2: Convert to fraction form
    86,965.66/130,261.01 = 58,730.46/x
  3. Step 3: Cross multiply
    86,965.66x = 130,261.01 × 58,730.46
  4. Step 4: Simplify right side
    86,965.66x = 7,650,289,037.36
  5. Step 5: Solve for x
    x = 7,650,289,037.36/86,965.66
  6. Step 6: Final answer
    x = 87,969.08

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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.