Home / 57,101.76-78,779.52-41,152.32

Finding the Fourth Proportional to 57,101.76, 78,779.52 and 41,152.32

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Solution

The fourth proportional to 57,101.76, 78,779.52 and 41,152.32 is: 56,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,101.76 : 78,779.52 = 41,152.32 : x
  2. Step 2: Convert to fraction form
    57,101.76/78,779.52 = 41,152.32/x
  3. Step 3: Cross multiply
    57,101.76x = 78,779.52 × 41,152.32
  4. Step 4: Simplify right side
    57,101.76x = 3,241,960,016.49
  5. Step 5: Solve for x
    x = 3,241,960,016.49/57,101.76
  6. Step 6: Final answer
    x = 56,775.13

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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.