Home / 102,933.08-154,376.29-52,280.74

Finding the Fourth Proportional to 102,933.08, 154,376.29 and 52,280.74

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Solution

The fourth proportional to 102,933.08, 154,376.29 and 52,280.74 is: 78,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,933.08 : 154,376.29 = 52,280.74 : x
  2. Step 2: Convert to fraction form
    102,933.08/154,376.29 = 52,280.74/x
  3. Step 3: Cross multiply
    102,933.08x = 154,376.29 × 52,280.74
  4. Step 4: Simplify right side
    102,933.08x = 8,070,905,646.37
  5. Step 5: Solve for x
    x = 8,070,905,646.37/102,933.08
  6. Step 6: Final answer
    x = 78,409.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.