Home / 86,652.76-119,588.80-52,653.36

Finding the Fourth Proportional to 86,652.76, 119,588.80 and 52,653.36

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Solution

The fourth proportional to 86,652.76, 119,588.80 and 52,653.36 is: 72,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,652.76 : 119,588.80 = 52,653.36 : x
  2. Step 2: Convert to fraction form
    86,652.76/119,588.80 = 52,653.36/x
  3. Step 3: Cross multiply
    86,652.76x = 119,588.80 × 52,653.36
  4. Step 4: Simplify right side
    86,652.76x = 6,296,752,138.37
  5. Step 5: Solve for x
    x = 6,296,752,138.37/86,652.76
  6. Step 6: Final answer
    x = 72,666.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.