Home / 77,900.09-107,509.71-46,079.24

Finding the Fourth Proportional to 77,900.09, 107,509.71 and 46,079.24

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Solution

The fourth proportional to 77,900.09, 107,509.71 and 46,079.24 is: 63,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,900.09 : 107,509.71 = 46,079.24 : x
  2. Step 2: Convert to fraction form
    77,900.09/107,509.71 = 46,079.24/x
  3. Step 3: Cross multiply
    77,900.09x = 107,509.71 × 46,079.24
  4. Step 4: Simplify right side
    77,900.09x = 4,953,965,729.42
  5. Step 5: Solve for x
    x = 4,953,965,729.42/77,900.09
  6. Step 6: Final answer
    x = 63,593.84

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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.