Home / 66,128.04-99,191.25-16,208.28

Finding the Fourth Proportional to 66,128.04, 99,191.25 and 16,208.28

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Solution

The fourth proportional to 66,128.04, 99,191.25 and 16,208.28 is: 24,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,128.04 : 99,191.25 = 16,208.28 : x
  2. Step 2: Convert to fraction form
    66,128.04/99,191.25 = 16,208.28/x
  3. Step 3: Cross multiply
    66,128.04x = 99,191.25 × 16,208.28
  4. Step 4: Simplify right side
    66,128.04x = 1,607,719,553.55
  5. Step 5: Solve for x
    x = 1,607,719,553.55/66,128.04
  6. Step 6: Final answer
    x = 24,312.22

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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.