Home / 94,479.40-130,376.65-58,668.64

Finding the Fourth Proportional to 94,479.40, 130,376.65 and 58,668.64

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Solution

The fourth proportional to 94,479.40, 130,376.65 and 58,668.64 is: 80,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,479.40 : 130,376.65 = 58,668.64 : x
  2. Step 2: Convert to fraction form
    94,479.40/130,376.65 = 58,668.64/x
  3. Step 3: Cross multiply
    94,479.40x = 130,376.65 × 58,668.64
  4. Step 4: Simplify right side
    94,479.40x = 7,649,021,069.20
  5. Step 5: Solve for x
    x = 7,649,021,069.20/94,479.40
  6. Step 6: Final answer
    x = 80,959.67

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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.