Home / 79,303.35-109,438.11-45,322.23

Finding the Fourth Proportional to 79,303.35, 109,438.11 and 45,322.23

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Solution

The fourth proportional to 79,303.35, 109,438.11 and 45,322.23 is: 62,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,303.35 : 109,438.11 = 45,322.23 : x
  2. Step 2: Convert to fraction form
    79,303.35/109,438.11 = 45,322.23/x
  3. Step 3: Cross multiply
    79,303.35x = 109,438.11 × 45,322.23
  4. Step 4: Simplify right side
    79,303.35x = 4,959,979,192.19
  5. Step 5: Solve for x
    x = 4,959,979,192.19/79,303.35
  6. Step 6: Final answer
    x = 62,544.38

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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.