Home / 52,466.12-78,698.56-31,412.04

Finding the Fourth Proportional to 52,466.12, 78,698.56 and 31,412.04

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Solution

The fourth proportional to 52,466.12, 78,698.56 and 31,412.04 is: 47,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,466.12 : 78,698.56 = 31,412.04 : x
  2. Step 2: Convert to fraction form
    52,466.12/78,698.56 = 31,412.04/x
  3. Step 3: Cross multiply
    52,466.12x = 78,698.56 × 31,412.04
  4. Step 4: Simplify right side
    52,466.12x = 2,472,082,314.66
  5. Step 5: Solve for x
    x = 2,472,082,314.66/52,466.12
  6. Step 6: Final answer
    x = 47,117.69

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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.