Home / 80,130-110,577.44-44,319.24

Finding the Fourth Proportional to 80,130, 110,577.44 and 44,319.24

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Solution

The fourth proportional to 80,130, 110,577.44 and 44,319.24 is: 61,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,130 : 110,577.44 = 44,319.24 : x
  2. Step 2: Convert to fraction form
    80,130/110,577.44 = 44,319.24/x
  3. Step 3: Cross multiply
    80,130x = 110,577.44 × 44,319.24
  4. Step 4: Simplify right side
    80,130x = 4,900,708,101.95
  5. Step 5: Solve for x
    x = 4,900,708,101.95/80,130
  6. Step 6: Final answer
    x = 61,159.47

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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.