Home / 98,568.40-136,018-56,126.56

Finding the Fourth Proportional to 98,568.40, 136,018 and 56,126.56

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Solution

The fourth proportional to 98,568.40, 136,018 and 56,126.56 is: 77,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,568.40 : 136,018 = 56,126.56 : x
  2. Step 2: Convert to fraction form
    98,568.40/136,018 = 56,126.56/x
  3. Step 3: Cross multiply
    98,568.40x = 136,018 × 56,126.56
  4. Step 4: Simplify right side
    98,568.40x = 7,634,222,438.08
  5. Step 5: Solve for x
    x = 7,634,222,438.08/98,568.40
  6. Step 6: Final answer
    x = 77,451.01

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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.