Home / 53,779.77-74,210.40-29,902.59

Finding the Fourth Proportional to 53,779.77, 74,210.40 and 29,902.59

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Solution

The fourth proportional to 53,779.77, 74,210.40 and 29,902.59 is: 41,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.77 : 74,210.40 = 29,902.59 : x
  2. Step 2: Convert to fraction form
    53,779.77/74,210.40 = 29,902.59/x
  3. Step 3: Cross multiply
    53,779.77x = 74,210.40 × 29,902.59
  4. Step 4: Simplify right side
    53,779.77x = 2,219,083,164.94
  5. Step 5: Solve for x
    x = 2,219,083,164.94/53,779.77
  6. Step 6: Final answer
    x = 41,262.41

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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.