Home / 114,579.80-171,869.70-74,722.40

Finding the Fourth Proportional to 114,579.80, 171,869.70 and 74,722.40

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Solution

The fourth proportional to 114,579.80, 171,869.70 and 74,722.40 is: 112,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,579.80 : 171,869.70 = 74,722.40 : x
  2. Step 2: Convert to fraction form
    114,579.80/171,869.70 = 74,722.40/x
  3. Step 3: Cross multiply
    114,579.80x = 171,869.70 × 74,722.40
  4. Step 4: Simplify right side
    114,579.80x = 12,842,516,471.28
  5. Step 5: Solve for x
    x = 12,842,516,471.28/114,579.80
  6. Step 6: Final answer
    x = 112,083.60

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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.