Home / 53,779.70-74,129.73-36,547.05

Finding the Fourth Proportional to 53,779.70, 74,129.73 and 36,547.05

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Solution

The fourth proportional to 53,779.70, 74,129.73 and 36,547.05 is: 50,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.70 : 74,129.73 = 36,547.05 : x
  2. Step 2: Convert to fraction form
    53,779.70/74,129.73 = 36,547.05/x
  3. Step 3: Cross multiply
    53,779.70x = 74,129.73 × 36,547.05
  4. Step 4: Simplify right side
    53,779.70x = 2,709,222,878.33
  5. Step 5: Solve for x
    x = 2,709,222,878.33/53,779.70
  6. Step 6: Final answer
    x = 50,376.31

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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.