Home / 109,389.64-163,975.44-46,225.66

Finding the Fourth Proportional to 109,389.64, 163,975.44 and 46,225.66

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Solution

The fourth proportional to 109,389.64, 163,975.44 and 46,225.66 is: 69,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,389.64 : 163,975.44 = 46,225.66 : x
  2. Step 2: Convert to fraction form
    109,389.64/163,975.44 = 46,225.66/x
  3. Step 3: Cross multiply
    109,389.64x = 163,975.44 × 46,225.66
  4. Step 4: Simplify right side
    109,389.64x = 7,579,872,937.79
  5. Step 5: Solve for x
    x = 7,579,872,937.79/109,389.64
  6. Step 6: Final answer
    x = 69,292.42

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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.