Home / 102,867.98-141,939.96-60,435.32

Finding the Fourth Proportional to 102,867.98, 141,939.96 and 60,435.32

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Solution

The fourth proportional to 102,867.98, 141,939.96 and 60,435.32 is: 83,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,867.98 : 141,939.96 = 60,435.32 : x
  2. Step 2: Convert to fraction form
    102,867.98/141,939.96 = 60,435.32/x
  3. Step 3: Cross multiply
    102,867.98x = 141,939.96 × 60,435.32
  4. Step 4: Simplify right side
    102,867.98x = 8,578,186,903.39
  5. Step 5: Solve for x
    x = 8,578,186,903.39/102,867.98
  6. Step 6: Final answer
    x = 83,390.25

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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.