Home / 105,025.80-157,560.30-34,955.40

Finding the Fourth Proportional to 105,025.80, 157,560.30 and 34,955.40

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Solution

The fourth proportional to 105,025.80, 157,560.30 and 34,955.40 is: 52,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,025.80 : 157,560.30 = 34,955.40 : x
  2. Step 2: Convert to fraction form
    105,025.80/157,560.30 = 34,955.40/x
  3. Step 3: Cross multiply
    105,025.80x = 157,560.30 × 34,955.40
  4. Step 4: Simplify right side
    105,025.80x = 5,507,583,310.62
  5. Step 5: Solve for x
    x = 5,507,583,310.62/105,025.80
  6. Step 6: Final answer
    x = 52,440.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.