Home / 103,521.04-155,281.49-33,400.35

Finding the Fourth Proportional to 103,521.04, 155,281.49 and 33,400.35

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Solution

The fourth proportional to 103,521.04, 155,281.49 and 33,400.35 is: 50,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,521.04 : 155,281.49 = 33,400.35 : x
  2. Step 2: Convert to fraction form
    103,521.04/155,281.49 = 33,400.35/x
  3. Step 3: Cross multiply
    103,521.04x = 155,281.49 × 33,400.35
  4. Step 4: Simplify right side
    103,521.04x = 5,186,456,114.52
  5. Step 5: Solve for x
    x = 5,186,456,114.52/103,521.04
  6. Step 6: Final answer
    x = 50,100.50

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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.