Home / 109,007.47-150,416.80-63,074.98

Finding the Fourth Proportional to 109,007.47, 150,416.80 and 63,074.98

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Solution

The fourth proportional to 109,007.47, 150,416.80 and 63,074.98 is: 87,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,007.47 : 150,416.80 = 63,074.98 : x
  2. Step 2: Convert to fraction form
    109,007.47/150,416.80 = 63,074.98/x
  3. Step 3: Cross multiply
    109,007.47x = 150,416.80 × 63,074.98
  4. Step 4: Simplify right side
    109,007.47x = 9,487,536,651.66
  5. Step 5: Solve for x
    x = 9,487,536,651.66/109,007.47
  6. Step 6: Final answer
    x = 87,035.66

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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.