Home / 67,808.16-93,579.78-39,132.93

Finding the Fourth Proportional to 67,808.16, 93,579.78 and 39,132.93

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Solution

The fourth proportional to 67,808.16, 93,579.78 and 39,132.93 is: 54,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.16 : 93,579.78 = 39,132.93 : x
  2. Step 2: Convert to fraction form
    67,808.16/93,579.78 = 39,132.93/x
  3. Step 3: Cross multiply
    67,808.16x = 93,579.78 × 39,132.93
  4. Step 4: Simplify right side
    67,808.16x = 3,662,050,980.16
  5. Step 5: Solve for x
    x = 3,662,050,980.16/67,808.16
  6. Step 6: Final answer
    x = 54,006.05

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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.