Home / 76,036.88-104,928.84-42,509.36

Finding the Fourth Proportional to 76,036.88, 104,928.84 and 42,509.36

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Solution

The fourth proportional to 76,036.88, 104,928.84 and 42,509.36 is: 58,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,036.88 : 104,928.84 = 42,509.36 : x
  2. Step 2: Convert to fraction form
    76,036.88/104,928.84 = 42,509.36/x
  3. Step 3: Cross multiply
    76,036.88x = 104,928.84 × 42,509.36
  4. Step 4: Simplify right side
    76,036.88x = 4,460,457,833.94
  5. Step 5: Solve for x
    x = 4,460,457,833.94/76,036.88
  6. Step 6: Final answer
    x = 58,661.77

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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.