Home / 98,764.10-136,296.22-55,752.18

Finding the Fourth Proportional to 98,764.10, 136,296.22 and 55,752.18

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Solution

The fourth proportional to 98,764.10, 136,296.22 and 55,752.18 is: 76,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,764.10 : 136,296.22 = 55,752.18 : x
  2. Step 2: Convert to fraction form
    98,764.10/136,296.22 = 55,752.18/x
  3. Step 3: Cross multiply
    98,764.10x = 136,296.22 × 55,752.18
  4. Step 4: Simplify right side
    98,764.10x = 7,598,811,390.76
  5. Step 5: Solve for x
    x = 7,598,811,390.76/98,764.10
  6. Step 6: Final answer
    x = 76,939.00

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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.