Home / 114,345.02-171,486.51-47,771.21

Finding the Fourth Proportional to 114,345.02, 171,486.51 and 47,771.21

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Solution

The fourth proportional to 114,345.02, 171,486.51 and 47,771.21 is: 71,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,345.02 : 171,486.51 = 47,771.21 : x
  2. Step 2: Convert to fraction form
    114,345.02/171,486.51 = 47,771.21/x
  3. Step 3: Cross multiply
    114,345.02x = 171,486.51 × 47,771.21
  4. Step 4: Simplify right side
    114,345.02x = 8,192,118,081.38
  5. Step 5: Solve for x
    x = 8,192,118,081.38/114,345.02
  6. Step 6: Final answer
    x = 71,643.86

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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.