Home / 66,638.04-99,955.01-22,265.18

Finding the Fourth Proportional to 66,638.04, 99,955.01 and 22,265.18

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Solution

The fourth proportional to 66,638.04, 99,955.01 and 22,265.18 is: 33,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,638.04 : 99,955.01 = 22,265.18 : x
  2. Step 2: Convert to fraction form
    66,638.04/99,955.01 = 22,265.18/x
  3. Step 3: Cross multiply
    66,638.04x = 99,955.01 × 22,265.18
  4. Step 4: Simplify right side
    66,638.04x = 2,225,516,220.27
  5. Step 5: Solve for x
    x = 2,225,516,220.27/66,638.04
  6. Step 6: Final answer
    x = 33,397.08

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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.