Home / 103,689.02-155,531.67-33,568.40

Finding the Fourth Proportional to 103,689.02, 155,531.67 and 33,568.40

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Solution

The fourth proportional to 103,689.02, 155,531.67 and 33,568.40 is: 50,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,689.02 : 155,531.67 = 33,568.40 : x
  2. Step 2: Convert to fraction form
    103,689.02/155,531.67 = 33,568.40/x
  3. Step 3: Cross multiply
    103,689.02x = 155,531.67 × 33,568.40
  4. Step 4: Simplify right side
    103,689.02x = 5,220,949,311.23
  5. Step 5: Solve for x
    x = 5,220,949,311.23/103,689.02
  6. Step 6: Final answer
    x = 50,352.00

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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.