Home / 102,362.04-141,257.44-57,039.84

Finding the Fourth Proportional to 102,362.04, 141,257.44 and 57,039.84

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Solution

The fourth proportional to 102,362.04, 141,257.44 and 57,039.84 is: 78,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,362.04 : 141,257.44 = 57,039.84 : x
  2. Step 2: Convert to fraction form
    102,362.04/141,257.44 = 57,039.84/x
  3. Step 3: Cross multiply
    102,362.04x = 141,257.44 × 57,039.84
  4. Step 4: Simplify right side
    102,362.04x = 8,057,301,776.41
  5. Step 5: Solve for x
    x = 8,057,301,776.41/102,362.04
  6. Step 6: Final answer
    x = 78,713.77

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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.