Home / 102,272.20-153,378.06-46,079.80

Finding the Fourth Proportional to 102,272.20, 153,378.06 and 46,079.80

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Solution

The fourth proportional to 102,272.20, 153,378.06 and 46,079.80 is: 69,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,272.20 : 153,378.06 = 46,079.80 : x
  2. Step 2: Convert to fraction form
    102,272.20/153,378.06 = 46,079.80/x
  3. Step 3: Cross multiply
    102,272.20x = 153,378.06 × 46,079.80
  4. Step 4: Simplify right side
    102,272.20x = 7,067,630,329.19
  5. Step 5: Solve for x
    x = 7,067,630,329.19/102,272.20
  6. Step 6: Final answer
    x = 69,106.08

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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.