Home / 98,666.73-136,069.23-64,662.83

Finding the Fourth Proportional to 98,666.73, 136,069.23 and 64,662.83

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Solution

The fourth proportional to 98,666.73, 136,069.23 and 64,662.83 is: 89,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,666.73 : 136,069.23 = 64,662.83 : x
  2. Step 2: Convert to fraction form
    98,666.73/136,069.23 = 64,662.83/x
  3. Step 3: Cross multiply
    98,666.73x = 136,069.23 × 64,662.83
  4. Step 4: Simplify right side
    98,666.73x = 8,798,621,487.72
  5. Step 5: Solve for x
    x = 8,798,621,487.72/98,666.73
  6. Step 6: Final answer
    x = 89,175.16

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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.