Home / 97,119.91-145,641.59-47,185.23

Finding the Fourth Proportional to 97,119.91, 145,641.59 and 47,185.23

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Solution

The fourth proportional to 97,119.91, 145,641.59 and 47,185.23 is: 70,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,119.91 : 145,641.59 = 47,185.23 : x
  2. Step 2: Convert to fraction form
    97,119.91/145,641.59 = 47,185.23/x
  3. Step 3: Cross multiply
    97,119.91x = 145,641.59 × 47,185.23
  4. Step 4: Simplify right side
    97,119.91x = 6,872,132,674.31
  5. Step 5: Solve for x
    x = 6,872,132,674.31/97,119.91
  6. Step 6: Final answer
    x = 70,759.26

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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.