Home / 86,965.08-130,491.39-64,822.92

Finding the Fourth Proportional to 86,965.08, 130,491.39 and 64,822.92

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Solution

The fourth proportional to 86,965.08, 130,491.39 and 64,822.92 is: 97,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,965.08 : 130,491.39 = 64,822.92 : x
  2. Step 2: Convert to fraction form
    86,965.08/130,491.39 = 64,822.92/x
  3. Step 3: Cross multiply
    86,965.08x = 130,491.39 × 64,822.92
  4. Step 4: Simplify right side
    86,965.08x = 8,458,832,934.66
  5. Step 5: Solve for x
    x = 8,458,832,934.66/86,965.08
  6. Step 6: Final answer
    x = 97,267.01

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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.