Home / 66,070.23-91,176.41-35,854.76

Finding the Fourth Proportional to 66,070.23, 91,176.41 and 35,854.76

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Solution

The fourth proportional to 66,070.23, 91,176.41 and 35,854.76 is: 49,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,070.23 : 91,176.41 = 35,854.76 : x
  2. Step 2: Convert to fraction form
    66,070.23/91,176.41 = 35,854.76/x
  3. Step 3: Cross multiply
    66,070.23x = 91,176.41 × 35,854.76
  4. Step 4: Simplify right side
    66,070.23x = 3,269,108,615.79
  5. Step 5: Solve for x
    x = 3,269,108,615.79/66,070.23
  6. Step 6: Final answer
    x = 49,479.30

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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.