Home / 79,184.08-109,271.19-45,194.32

Finding the Fourth Proportional to 79,184.08, 109,271.19 and 45,194.32

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Solution

The fourth proportional to 79,184.08, 109,271.19 and 45,194.32 is: 62,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.08 : 109,271.19 = 45,194.32 : x
  2. Step 2: Convert to fraction form
    79,184.08/109,271.19 = 45,194.32/x
  3. Step 3: Cross multiply
    79,184.08x = 109,271.19 × 45,194.32
  4. Step 4: Simplify right side
    79,184.08x = 4,938,437,127.64
  5. Step 5: Solve for x
    x = 4,938,437,127.64/79,184.08
  6. Step 6: Final answer
    x = 62,366.54

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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.