Home / 76,041.12-104,826.96-52,129.92

Finding the Fourth Proportional to 76,041.12, 104,826.96 and 52,129.92

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Solution

The fourth proportional to 76,041.12, 104,826.96 and 52,129.92 is: 71,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,041.12 : 104,826.96 = 52,129.92 : x
  2. Step 2: Convert to fraction form
    76,041.12/104,826.96 = 52,129.92/x
  3. Step 3: Cross multiply
    76,041.12x = 104,826.96 × 52,129.92
  4. Step 4: Simplify right side
    76,041.12x = 5,464,621,038.64
  5. Step 5: Solve for x
    x = 5,464,621,038.64/76,041.12
  6. Step 6: Final answer
    x = 71,864.03

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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.