Home / 94,715.78-130,709.70-52,274.31

Finding the Fourth Proportional to 94,715.78, 130,709.70 and 52,274.31

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Solution

The fourth proportional to 94,715.78, 130,709.70 and 52,274.31 is: 72,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,715.78 : 130,709.70 = 52,274.31 : x
  2. Step 2: Convert to fraction form
    94,715.78/130,709.70 = 52,274.31/x
  3. Step 3: Cross multiply
    94,715.78x = 130,709.70 × 52,274.31
  4. Step 4: Simplify right side
    94,715.78x = 6,832,759,622.89
  5. Step 5: Solve for x
    x = 6,832,759,622.89/94,715.78
  6. Step 6: Final answer
    x = 72,139.61

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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.