Home / 73,140.04-109,710.05-19,832.32

Finding the Fourth Proportional to 73,140.04, 109,710.05 and 19,832.32

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Solution

The fourth proportional to 73,140.04, 109,710.05 and 19,832.32 is: 29,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140.04 : 109,710.05 = 19,832.32 : x
  2. Step 2: Convert to fraction form
    73,140.04/109,710.05 = 19,832.32/x
  3. Step 3: Cross multiply
    73,140.04x = 109,710.05 × 19,832.32
  4. Step 4: Simplify right side
    73,140.04x = 2,175,804,719.65
  5. Step 5: Solve for x
    x = 2,175,804,719.65/73,140.04
  6. Step 6: Final answer
    x = 29,748.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.