Home / 66,277.97-99,416.96-18,894.05

Finding the Fourth Proportional to 66,277.97, 99,416.96 and 18,894.05

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Solution

The fourth proportional to 66,277.97, 99,416.96 and 18,894.05 is: 28,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,277.97 : 99,416.96 = 18,894.05 : x
  2. Step 2: Convert to fraction form
    66,277.97/99,416.96 = 18,894.05/x
  3. Step 3: Cross multiply
    66,277.97x = 99,416.96 × 18,894.05
  4. Step 4: Simplify right side
    66,277.97x = 1,878,388,421.53
  5. Step 5: Solve for x
    x = 1,878,388,421.53/66,277.97
  6. Step 6: Final answer
    x = 28,341.07

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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.