Home / 77,546.12-116,319.76-42,466.64

Finding the Fourth Proportional to 77,546.12, 116,319.76 and 42,466.64

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Solution

The fourth proportional to 77,546.12, 116,319.76 and 42,466.64 is: 63,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,546.12 : 116,319.76 = 42,466.64 : x
  2. Step 2: Convert to fraction form
    77,546.12/116,319.76 = 42,466.64/x
  3. Step 3: Cross multiply
    77,546.12x = 116,319.76 × 42,466.64
  4. Step 4: Simplify right side
    77,546.12x = 4,939,708,685.04
  5. Step 5: Solve for x
    x = 4,939,708,685.04/77,546.12
  6. Step 6: Final answer
    x = 63,700.27

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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.