Home / 76,339.12-105,342.66-44,075.02

Finding the Fourth Proportional to 76,339.12, 105,342.66 and 44,075.02

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Solution

The fourth proportional to 76,339.12, 105,342.66 and 44,075.02 is: 60,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,339.12 : 105,342.66 = 44,075.02 : x
  2. Step 2: Convert to fraction form
    76,339.12/105,342.66 = 44,075.02/x
  3. Step 3: Cross multiply
    76,339.12x = 105,342.66 × 44,075.02
  4. Step 4: Simplify right side
    76,339.12x = 4,642,979,846.35
  5. Step 5: Solve for x
    x = 4,642,979,846.35/76,339.12
  6. Step 6: Final answer
    x = 60,820.45

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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.