Home / 66,937.12-92,372.36-38,256.52

Finding the Fourth Proportional to 66,937.12, 92,372.36 and 38,256.52

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Solution

The fourth proportional to 66,937.12, 92,372.36 and 38,256.52 is: 52,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,937.12 : 92,372.36 = 38,256.52 : x
  2. Step 2: Convert to fraction form
    66,937.12/92,372.36 = 38,256.52/x
  3. Step 3: Cross multiply
    66,937.12x = 92,372.36 × 38,256.52
  4. Step 4: Simplify right side
    66,937.12x = 3,533,845,037.79
  5. Step 5: Solve for x
    x = 3,533,845,037.79/66,937.12
  6. Step 6: Final answer
    x = 52,793.50

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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.