Home / 53,779.26-74,215.09-29,904.54

Finding the Fourth Proportional to 53,779.26, 74,215.09 and 29,904.54

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Solution

The fourth proportional to 53,779.26, 74,215.09 and 29,904.54 is: 41,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.26 : 74,215.09 = 29,904.54 : x
  2. Step 2: Convert to fraction form
    53,779.26/74,215.09 = 29,904.54/x
  3. Step 3: Cross multiply
    53,779.26x = 74,215.09 × 29,904.54
  4. Step 4: Simplify right side
    53,779.26x = 2,219,368,127.51
  5. Step 5: Solve for x
    x = 2,219,368,127.51/53,779.26
  6. Step 6: Final answer
    x = 41,268.10

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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.