Home / 66,223.81-99,314.65-21,842.29

Finding the Fourth Proportional to 66,223.81, 99,314.65 and 21,842.29

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Solution

The fourth proportional to 66,223.81, 99,314.65 and 21,842.29 is: 32,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,223.81 : 99,314.65 = 21,842.29 : x
  2. Step 2: Convert to fraction form
    66,223.81/99,314.65 = 21,842.29/x
  3. Step 3: Cross multiply
    66,223.81x = 99,314.65 × 21,842.29
  4. Step 4: Simplify right side
    66,223.81x = 2,169,259,386.55
  5. Step 5: Solve for x
    x = 2,169,259,386.55/66,223.81
  6. Step 6: Final answer
    x = 32,756.49

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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.