Home / 103,678.95-155,518.43-33,565.35

Finding the Fourth Proportional to 103,678.95, 155,518.43 and 33,565.35

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Solution

The fourth proportional to 103,678.95, 155,518.43 and 33,565.35 is: 50,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678.95 : 155,518.43 = 33,565.35 : x
  2. Step 2: Convert to fraction form
    103,678.95/155,518.43 = 33,565.35/x
  3. Step 3: Cross multiply
    103,678.95x = 155,518.43 × 33,565.35
  4. Step 4: Simplify right side
    103,678.95x = 5,220,030,534.40
  5. Step 5: Solve for x
    x = 5,220,030,534.40/103,678.95
  6. Step 6: Final answer
    x = 50,348.03

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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.