Home / 102,482.51-141,426.63-57,163.41

Finding the Fourth Proportional to 102,482.51, 141,426.63 and 57,163.41

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Solution

The fourth proportional to 102,482.51, 141,426.63 and 57,163.41 is: 78,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,482.51 : 141,426.63 = 57,163.41 : x
  2. Step 2: Convert to fraction form
    102,482.51/141,426.63 = 57,163.41/x
  3. Step 3: Cross multiply
    102,482.51x = 141,426.63 × 57,163.41
  4. Step 4: Simplify right side
    102,482.51x = 8,084,428,435.61
  5. Step 5: Solve for x
    x = 8,084,428,435.61/102,482.51
  6. Step 6: Final answer
    x = 78,885.94

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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.