Home / 115,320.03-172,967.18-31,088.58

Finding the Fourth Proportional to 115,320.03, 172,967.18 and 31,088.58

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Solution

The fourth proportional to 115,320.03, 172,967.18 and 31,088.58 is: 46,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,320.03 : 172,967.18 = 31,088.58 : x
  2. Step 2: Convert to fraction form
    115,320.03/172,967.18 = 31,088.58/x
  3. Step 3: Cross multiply
    115,320.03x = 172,967.18 × 31,088.58
  4. Step 4: Simplify right side
    115,320.03x = 5,377,303,857.36
  5. Step 5: Solve for x
    x = 5,377,303,857.36/115,320.03
  6. Step 6: Final answer
    x = 46,629.40

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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.