Home / 94,621.50-130,579.56-61,145.82

Finding the Fourth Proportional to 94,621.50, 130,579.56 and 61,145.82

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Solution

The fourth proportional to 94,621.50, 130,579.56 and 61,145.82 is: 84,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,621.50 : 130,579.56 = 61,145.82 : x
  2. Step 2: Convert to fraction form
    94,621.50/130,579.56 = 61,145.82/x
  3. Step 3: Cross multiply
    94,621.50x = 130,579.56 × 61,145.82
  4. Step 4: Simplify right side
    94,621.50x = 7,984,394,271.44
  5. Step 5: Solve for x
    x = 7,984,394,271.44/94,621.50
  6. Step 6: Final answer
    x = 84,382.45

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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.