Home / 92,995.06-128,334.10-50,554.50

Finding the Fourth Proportional to 92,995.06, 128,334.10 and 50,554.50

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Solution

The fourth proportional to 92,995.06, 128,334.10 and 50,554.50 is: 69,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,995.06 : 128,334.10 = 50,554.50 : x
  2. Step 2: Convert to fraction form
    92,995.06/128,334.10 = 50,554.50/x
  3. Step 3: Cross multiply
    92,995.06x = 128,334.10 × 50,554.50
  4. Step 4: Simplify right side
    92,995.06x = 6,487,866,258.45
  5. Step 5: Solve for x
    x = 6,487,866,258.45/92,995.06
  6. Step 6: Final answer
    x = 69,765.71

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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.