Home / 94,426.46-130,330.68-54,139.50

Finding the Fourth Proportional to 94,426.46, 130,330.68 and 54,139.50

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Solution

The fourth proportional to 94,426.46, 130,330.68 and 54,139.50 is: 74,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,426.46 : 130,330.68 = 54,139.50 : x
  2. Step 2: Convert to fraction form
    94,426.46/130,330.68 = 54,139.50/x
  3. Step 3: Cross multiply
    94,426.46x = 130,330.68 × 54,139.50
  4. Step 4: Simplify right side
    94,426.46x = 7,056,037,849.86
  5. Step 5: Solve for x
    x = 7,056,037,849.86/94,426.46
  6. Step 6: Final answer
    x = 74,725.22

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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.