Home / 109,812.16-164,720.94-30,925.86

Finding the Fourth Proportional to 109,812.16, 164,720.94 and 30,925.86

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Solution

The fourth proportional to 109,812.16, 164,720.94 and 30,925.86 is: 46,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,812.16 : 164,720.94 = 30,925.86 : x
  2. Step 2: Convert to fraction form
    109,812.16/164,720.94 = 30,925.86/x
  3. Step 3: Cross multiply
    109,812.16x = 164,720.94 × 30,925.86
  4. Step 4: Simplify right side
    109,812.16x = 5,094,136,729.51
  5. Step 5: Solve for x
    x = 5,094,136,729.51/109,812.16
  6. Step 6: Final answer
    x = 46,389.55

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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.