Home / 99,012.68-136,629.06-56,562.92

Finding the Fourth Proportional to 99,012.68, 136,629.06 and 56,562.92

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Solution

The fourth proportional to 99,012.68, 136,629.06 and 56,562.92 is: 78,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,012.68 : 136,629.06 = 56,562.92 : x
  2. Step 2: Convert to fraction form
    99,012.68/136,629.06 = 56,562.92/x
  3. Step 3: Cross multiply
    99,012.68x = 136,629.06 × 56,562.92
  4. Step 4: Simplify right side
    99,012.68x = 7,728,138,590.46
  5. Step 5: Solve for x
    x = 7,728,138,590.46/99,012.68
  6. Step 6: Final answer
    x = 78,052.01

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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.