Home / 69,658.20-96,143.63-45,787.10

Finding the Fourth Proportional to 69,658.20, 96,143.63 and 45,787.10

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Solution

The fourth proportional to 69,658.20, 96,143.63 and 45,787.10 is: 63,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,658.20 : 96,143.63 = 45,787.10 : x
  2. Step 2: Convert to fraction form
    69,658.20/96,143.63 = 45,787.10/x
  3. Step 3: Cross multiply
    69,658.20x = 96,143.63 × 45,787.10
  4. Step 4: Simplify right side
    69,658.20x = 4,402,137,291.52
  5. Step 5: Solve for x
    x = 4,402,137,291.52/69,658.20
  6. Step 6: Final answer
    x = 63,196.25

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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.