Home / 91,719.62-137,579.44-60,547.58

Finding the Fourth Proportional to 91,719.62, 137,579.44 and 60,547.58

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Solution

The fourth proportional to 91,719.62, 137,579.44 and 60,547.58 is: 90,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,719.62 : 137,579.44 = 60,547.58 : x
  2. Step 2: Convert to fraction form
    91,719.62/137,579.44 = 60,547.58/x
  3. Step 3: Cross multiply
    91,719.62x = 137,579.44 × 60,547.58
  4. Step 4: Simplify right side
    91,719.62x = 8,330,102,149.76
  5. Step 5: Solve for x
    x = 8,330,102,149.76/91,719.62
  6. Step 6: Final answer
    x = 90,821.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.