Home / 66,423.90-99,501.45-41,387.10

Finding the Fourth Proportional to 66,423.90, 99,501.45 and 41,387.10

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Solution

The fourth proportional to 66,423.90, 99,501.45 and 41,387.10 is: 61,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.90 : 99,501.45 = 41,387.10 : x
  2. Step 2: Convert to fraction form
    66,423.90/99,501.45 = 41,387.10/x
  3. Step 3: Cross multiply
    66,423.90x = 99,501.45 × 41,387.10
  4. Step 4: Simplify right side
    66,423.90x = 4,118,076,461.30
  5. Step 5: Solve for x
    x = 4,118,076,461.30/66,423.90
  6. Step 6: Final answer
    x = 61,996.91

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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.