Home / 77,622.26-107,130.30-47,425.04

Finding the Fourth Proportional to 77,622.26, 107,130.30 and 47,425.04

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Solution

The fourth proportional to 77,622.26, 107,130.30 and 47,425.04 is: 65,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,622.26 : 107,130.30 = 47,425.04 : x
  2. Step 2: Convert to fraction form
    77,622.26/107,130.30 = 47,425.04/x
  3. Step 3: Cross multiply
    77,622.26x = 107,130.30 × 47,425.04
  4. Step 4: Simplify right side
    77,622.26x = 5,080,658,762.71
  5. Step 5: Solve for x
    x = 5,080,658,762.71/77,622.26
  6. Step 6: Final answer
    x = 65,453.63

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1.5x scale

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.