Home / 94,397.12-130,253.10-54,103.12

Finding the Fourth Proportional to 94,397.12, 130,253.10 and 54,103.12

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Solution

The fourth proportional to 94,397.12, 130,253.10 and 54,103.12 is: 74,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,397.12 : 130,253.10 = 54,103.12 : x
  2. Step 2: Convert to fraction form
    94,397.12/130,253.10 = 54,103.12/x
  3. Step 3: Cross multiply
    94,397.12x = 130,253.10 × 54,103.12
  4. Step 4: Simplify right side
    94,397.12x = 7,047,099,099.67
  5. Step 5: Solve for x
    x = 7,047,099,099.67/94,397.12
  6. Step 6: Final answer
    x = 74,653.75

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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.