Home / 77,519.08-106,973.22-45,689.32

Finding the Fourth Proportional to 77,519.08, 106,973.22 and 45,689.32

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Solution

The fourth proportional to 77,519.08, 106,973.22 and 45,689.32 is: 63,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,519.08 : 106,973.22 = 45,689.32 : x
  2. Step 2: Convert to fraction form
    77,519.08/106,973.22 = 45,689.32/x
  3. Step 3: Cross multiply
    77,519.08x = 106,973.22 × 45,689.32
  4. Step 4: Simplify right side
    77,519.08x = 4,887,533,680.01
  5. Step 5: Solve for x
    x = 4,887,533,680.01/77,519.08
  6. Step 6: Final answer
    x = 63,049.43

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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.