Home / 76,050.64-104,945.60-42,057.12

Finding the Fourth Proportional to 76,050.64, 104,945.60 and 42,057.12

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Solution

The fourth proportional to 76,050.64, 104,945.60 and 42,057.12 is: 58,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,050.64 : 104,945.60 = 42,057.12 : x
  2. Step 2: Convert to fraction form
    76,050.64/104,945.60 = 42,057.12/x
  3. Step 3: Cross multiply
    76,050.64x = 104,945.60 × 42,057.12
  4. Step 4: Simplify right side
    76,050.64x = 4,413,709,692.67
  5. Step 5: Solve for x
    x = 4,413,709,692.67/76,050.64
  6. Step 6: Final answer
    x = 58,036.46

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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.