Home / 92,785.48-128,045.46-50,344.02

Finding the Fourth Proportional to 92,785.48, 128,045.46 and 50,344.02

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Solution

The fourth proportional to 92,785.48, 128,045.46 and 50,344.02 is: 69,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,785.48 : 128,045.46 = 50,344.02 : x
  2. Step 2: Convert to fraction form
    92,785.48/128,045.46 = 50,344.02/x
  3. Step 3: Cross multiply
    92,785.48x = 128,045.46 × 50,344.02
  4. Step 4: Simplify right side
    92,785.48x = 6,446,323,199.15
  5. Step 5: Solve for x
    x = 6,446,323,199.15/92,785.48
  6. Step 6: Final answer
    x = 69,475.56

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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.