Home / 66,470.10-99,559.35-57,722.10

Finding the Fourth Proportional to 66,470.10, 99,559.35 and 57,722.10

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Solution

The fourth proportional to 66,470.10, 99,559.35 and 57,722.10 is: 86,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470.10 : 99,559.35 = 57,722.10 : x
  2. Step 2: Convert to fraction form
    66,470.10/99,559.35 = 57,722.10/x
  3. Step 3: Cross multiply
    66,470.10x = 99,559.35 × 57,722.10
  4. Step 4: Simplify right side
    66,470.10x = 5,746,774,756.64
  5. Step 5: Solve for x
    x = 5,746,774,756.64/66,470.10
  6. Step 6: Final answer
    x = 86,456.54

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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.