Home / 53,699.12-74,102.72-29,827.32

Finding the Fourth Proportional to 53,699.12, 74,102.72 and 29,827.32

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Solution

The fourth proportional to 53,699.12, 74,102.72 and 29,827.32 is: 41,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.12 : 74,102.72 = 29,827.32 : x
  2. Step 2: Convert to fraction form
    53,699.12/74,102.72 = 29,827.32/x
  3. Step 3: Cross multiply
    53,699.12x = 74,102.72 × 29,827.32
  4. Step 4: Simplify right side
    53,699.12x = 2,210,285,542.31
  5. Step 5: Solve for x
    x = 2,210,285,542.31/53,699.12
  6. Step 6: Final answer
    x = 41,160.55

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1.5x scale

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.