Home / 109,421.79-164,150.18-46,242.52

Finding the Fourth Proportional to 109,421.79, 164,150.18 and 46,242.52

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Solution

The fourth proportional to 109,421.79, 164,150.18 and 46,242.52 is: 69,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,421.79 : 164,150.18 = 46,242.52 : x
  2. Step 2: Convert to fraction form
    109,421.79/164,150.18 = 46,242.52/x
  3. Step 3: Cross multiply
    109,421.79x = 164,150.18 × 46,242.52
  4. Step 4: Simplify right side
    109,421.79x = 7,590,717,981.65
  5. Step 5: Solve for x
    x = 7,590,717,981.65/109,421.79
  6. Step 6: Final answer
    x = 69,371.17

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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.