Home / 66,914.83-92,378.33-51,680.22

Finding the Fourth Proportional to 66,914.83, 92,378.33 and 51,680.22

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Solution

The fourth proportional to 66,914.83, 92,378.33 and 51,680.22 is: 71,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,914.83 : 92,378.33 = 51,680.22 : x
  2. Step 2: Convert to fraction form
    66,914.83/92,378.33 = 51,680.22/x
  3. Step 3: Cross multiply
    66,914.83x = 92,378.33 × 51,680.22
  4. Step 4: Simplify right side
    66,914.83x = 4,774,132,417.63
  5. Step 5: Solve for x
    x = 4,774,132,417.63/66,914.83
  6. Step 6: Final answer
    x = 71,346.40

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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.