Home / 76,074.40-104,947.30-49,225.58

Finding the Fourth Proportional to 76,074.40, 104,947.30 and 49,225.58

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Solution

The fourth proportional to 76,074.40, 104,947.30 and 49,225.58 is: 67,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,074.40 : 104,947.30 = 49,225.58 : x
  2. Step 2: Convert to fraction form
    76,074.40/104,947.30 = 49,225.58/x
  3. Step 3: Cross multiply
    76,074.40x = 104,947.30 × 49,225.58
  4. Step 4: Simplify right side
    76,074.40x = 5,166,090,941.07
  5. Step 5: Solve for x
    x = 5,166,090,941.07/76,074.40
  6. Step 6: Final answer
    x = 67,908.41

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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.