Home / 66,870.90-92,311.23-46,806.57

Finding the Fourth Proportional to 66,870.90, 92,311.23 and 46,806.57

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Solution

The fourth proportional to 66,870.90, 92,311.23 and 46,806.57 is: 64,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,870.90 : 92,311.23 = 46,806.57 : x
  2. Step 2: Convert to fraction form
    66,870.90/92,311.23 = 46,806.57/x
  3. Step 3: Cross multiply
    66,870.90x = 92,311.23 × 46,806.57
  4. Step 4: Simplify right side
    66,870.90x = 4,320,772,048.78
  5. Step 5: Solve for x
    x = 4,320,772,048.78/66,870.90
  6. Step 6: Final answer
    x = 64,613.64

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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.