Home / 57,054.67-78,708.93-36,918.04

Finding the Fourth Proportional to 57,054.67, 78,708.93 and 36,918.04

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Solution

The fourth proportional to 57,054.67, 78,708.93 and 36,918.04 is: 50,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.67 : 78,708.93 = 36,918.04 : x
  2. Step 2: Convert to fraction form
    57,054.67/78,708.93 = 36,918.04/x
  3. Step 3: Cross multiply
    57,054.67x = 78,708.93 × 36,918.04
  4. Step 4: Simplify right side
    57,054.67x = 2,905,779,426.10
  5. Step 5: Solve for x
    x = 2,905,779,426.10/57,054.67
  6. Step 6: Final answer
    x = 50,929.74

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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.