Home / 102,241.76-153,368.36-31,166.71

Finding the Fourth Proportional to 102,241.76, 153,368.36 and 31,166.71

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Solution

The fourth proportional to 102,241.76, 153,368.36 and 31,166.71 is: 46,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,241.76 : 153,368.36 = 31,166.71 : x
  2. Step 2: Convert to fraction form
    102,241.76/153,368.36 = 31,166.71/x
  3. Step 3: Cross multiply
    102,241.76x = 153,368.36 × 31,166.71
  4. Step 4: Simplify right side
    102,241.76x = 4,779,987,066.79
  5. Step 5: Solve for x
    x = 4,779,987,066.79/102,241.76
  6. Step 6: Final answer
    x = 46,751.81

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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.