Home / 98,872.22-136,453.46-56,437.13

Finding the Fourth Proportional to 98,872.22, 136,453.46 and 56,437.13

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Solution

The fourth proportional to 98,872.22, 136,453.46 and 56,437.13 is: 77,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,872.22 : 136,453.46 = 56,437.13 : x
  2. Step 2: Convert to fraction form
    98,872.22/136,453.46 = 56,437.13/x
  3. Step 3: Cross multiply
    98,872.22x = 136,453.46 × 56,437.13
  4. Step 4: Simplify right side
    98,872.22x = 7,701,041,660.97
  5. Step 5: Solve for x
    x = 7,701,041,660.97/98,872.22
  6. Step 6: Final answer
    x = 77,888.83

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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.