Home / 53,780.86-74,217.63-29,907.01

Finding the Fourth Proportional to 53,780.86, 74,217.63 and 29,907.01

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Solution

The fourth proportional to 53,780.86, 74,217.63 and 29,907.01 is: 41,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.86 : 74,217.63 = 29,907.01 : x
  2. Step 2: Convert to fraction form
    53,780.86/74,217.63 = 29,907.01/x
  3. Step 3: Cross multiply
    53,780.86x = 74,217.63 × 29,907.01
  4. Step 4: Simplify right side
    53,780.86x = 2,219,627,402.59
  5. Step 5: Solve for x
    x = 2,219,627,402.59/53,780.86
  6. Step 6: Final answer
    x = 41,271.70

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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.