Home / 75,155.04-103,477.91-63,801

Finding the Fourth Proportional to 75,155.04, 103,477.91 and 63,801

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Solution

The fourth proportional to 75,155.04, 103,477.91 and 63,801 is: 87,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.04 : 103,477.91 = 63,801 : x
  2. Step 2: Convert to fraction form
    75,155.04/103,477.91 = 63,801/x
  3. Step 3: Cross multiply
    75,155.04x = 103,477.91 × 63,801
  4. Step 4: Simplify right side
    75,155.04x = 6,601,993,816.91
  5. Step 5: Solve for x
    x = 6,601,993,816.91/75,155.04
  6. Step 6: Final answer
    x = 87,844.99

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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.