Home / 66,439.16-99,657.48-26,969.12

Finding the Fourth Proportional to 66,439.16, 99,657.48 and 26,969.12

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Solution

The fourth proportional to 66,439.16, 99,657.48 and 26,969.12 is: 40,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439.16 : 99,657.48 = 26,969.12 : x
  2. Step 2: Convert to fraction form
    66,439.16/99,657.48 = 26,969.12/x
  3. Step 3: Cross multiply
    66,439.16x = 99,657.48 × 26,969.12
  4. Step 4: Simplify right side
    66,439.16x = 2,687,674,537.02
  5. Step 5: Solve for x
    x = 2,687,674,537.02/66,439.16
  6. Step 6: Final answer
    x = 40,453.17

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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.