Home / 113,665.77-156,855.33-62,678.48

Finding the Fourth Proportional to 113,665.77, 156,855.33 and 62,678.48

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Solution

The fourth proportional to 113,665.77, 156,855.33 and 62,678.48 is: 86,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,665.77 : 156,855.33 = 62,678.48 : x
  2. Step 2: Convert to fraction form
    113,665.77/156,855.33 = 62,678.48/x
  3. Step 3: Cross multiply
    113,665.77x = 156,855.33 × 62,678.48
  4. Step 4: Simplify right side
    113,665.77x = 9,831,452,880.02
  5. Step 5: Solve for x
    x = 9,831,452,880.02/113,665.77
  6. Step 6: Final answer
    x = 86,494.40

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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.