Home / 89,966.44-124,037.22-61,621.48

Finding the Fourth Proportional to 89,966.44, 124,037.22 and 61,621.48

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Solution

The fourth proportional to 89,966.44, 124,037.22 and 61,621.48 is: 84,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,966.44 : 124,037.22 = 61,621.48 : x
  2. Step 2: Convert to fraction form
    89,966.44/124,037.22 = 61,621.48/x
  3. Step 3: Cross multiply
    89,966.44x = 124,037.22 × 61,621.48
  4. Step 4: Simplify right side
    89,966.44x = 7,643,357,071.49
  5. Step 5: Solve for x
    x = 7,643,357,071.49/89,966.44
  6. Step 6: Final answer
    x = 84,957.87

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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.