Home / 66,422.90-99,499.95-41,386.10

Finding the Fourth Proportional to 66,422.90, 99,499.95 and 41,386.10

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Solution

The fourth proportional to 66,422.90, 99,499.95 and 41,386.10 is: 61,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,422.90 : 99,499.95 = 41,386.10 : x
  2. Step 2: Convert to fraction form
    66,422.90/99,499.95 = 41,386.10/x
  3. Step 3: Cross multiply
    66,422.90x = 99,499.95 × 41,386.10
  4. Step 4: Simplify right side
    66,422.90x = 4,117,914,880.70
  5. Step 5: Solve for x
    x = 4,117,914,880.70/66,422.90
  6. Step 6: Final answer
    x = 61,995.41

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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.