Home / 76,205.04-105,190.56-62,033.28

Finding the Fourth Proportional to 76,205.04, 105,190.56 and 62,033.28

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Solution

The fourth proportional to 76,205.04, 105,190.56 and 62,033.28 is: 85,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,205.04 : 105,190.56 = 62,033.28 : x
  2. Step 2: Convert to fraction form
    76,205.04/105,190.56 = 62,033.28/x
  3. Step 3: Cross multiply
    76,205.04x = 105,190.56 × 62,033.28
  4. Step 4: Simplify right side
    76,205.04x = 6,525,315,461.84
  5. Step 5: Solve for x
    x = 6,525,315,461.84/76,205.04
  6. Step 6: Final answer
    x = 85,628.40

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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.