Home / 76,175.12-105,089.08-45,943.24

Finding the Fourth Proportional to 76,175.12, 105,089.08 and 45,943.24

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Solution

The fourth proportional to 76,175.12, 105,089.08 and 45,943.24 is: 63,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,175.12 : 105,089.08 = 45,943.24 : x
  2. Step 2: Convert to fraction form
    76,175.12/105,089.08 = 45,943.24/x
  3. Step 3: Cross multiply
    76,175.12x = 105,089.08 × 45,943.24
  4. Step 4: Simplify right side
    76,175.12x = 4,828,132,823.82
  5. Step 5: Solve for x
    x = 4,828,132,823.82/76,175.12
  6. Step 6: Final answer
    x = 63,382.02

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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.