Home / 66,701.26-92,055.72-38,406.34

Finding the Fourth Proportional to 66,701.26, 92,055.72 and 38,406.34

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Solution

The fourth proportional to 66,701.26, 92,055.72 and 38,406.34 is: 53,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,701.26 : 92,055.72 = 38,406.34 : x
  2. Step 2: Convert to fraction form
    66,701.26/92,055.72 = 38,406.34/x
  3. Step 3: Cross multiply
    66,701.26x = 92,055.72 × 38,406.34
  4. Step 4: Simplify right side
    66,701.26x = 3,535,523,281.26
  5. Step 5: Solve for x
    x = 3,535,523,281.26/66,701.26
  6. Step 6: Final answer
    x = 53,005.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.