Home / 103,688.02-155,530.17-33,567.40

Finding the Fourth Proportional to 103,688.02, 155,530.17 and 33,567.40

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Solution

The fourth proportional to 103,688.02, 155,530.17 and 33,567.40 is: 50,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688.02 : 155,530.17 = 33,567.40 : x
  2. Step 2: Convert to fraction form
    103,688.02/155,530.17 = 33,567.40/x
  3. Step 3: Cross multiply
    103,688.02x = 155,530.17 × 33,567.40
  4. Step 4: Simplify right side
    103,688.02x = 5,220,743,428.46
  5. Step 5: Solve for x
    x = 5,220,743,428.46/103,688.02
  6. Step 6: Final answer
    x = 50,350.50

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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.