Home / 76,795.36-105,937.20-52,880.56

Finding the Fourth Proportional to 76,795.36, 105,937.20 and 52,880.56

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Solution

The fourth proportional to 76,795.36, 105,937.20 and 52,880.56 is: 72,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,795.36 : 105,937.20 = 52,880.56 : x
  2. Step 2: Convert to fraction form
    76,795.36/105,937.20 = 52,880.56/x
  3. Step 3: Cross multiply
    76,795.36x = 105,937.20 × 52,880.56
  4. Step 4: Simplify right side
    76,795.36x = 5,602,018,460.83
  5. Step 5: Solve for x
    x = 5,602,018,460.83/76,795.36
  6. Step 6: Final answer
    x = 72,947.36

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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.