Home / 53,702.51-74,110.64-29,503.79

Finding the Fourth Proportional to 53,702.51, 74,110.64 and 29,503.79

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Solution

The fourth proportional to 53,702.51, 74,110.64 and 29,503.79 is: 40,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,702.51 : 74,110.64 = 29,503.79 : x
  2. Step 2: Convert to fraction form
    53,702.51/74,110.64 = 29,503.79/x
  3. Step 3: Cross multiply
    53,702.51x = 74,110.64 × 29,503.79
  4. Step 4: Simplify right side
    53,702.51x = 2,186,544,241.25
  5. Step 5: Solve for x
    x = 2,186,544,241.25/53,702.51
  6. Step 6: Final answer
    x = 40,715.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.