Home / 94,429.08-130,311.76-51,987.64

Finding the Fourth Proportional to 94,429.08, 130,311.76 and 51,987.64

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Solution

The fourth proportional to 94,429.08, 130,311.76 and 51,987.64 is: 71,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,429.08 : 130,311.76 = 51,987.64 : x
  2. Step 2: Convert to fraction form
    94,429.08/130,311.76 = 51,987.64/x
  3. Step 3: Cross multiply
    94,429.08x = 130,311.76 × 51,987.64
  4. Step 4: Simplify right side
    94,429.08x = 6,774,600,866.65
  5. Step 5: Solve for x
    x = 6,774,600,866.65/94,429.08
  6. Step 6: Final answer
    x = 71,742.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.