Home / 60,605.07-90,783.68-49,400.34

Finding the Fourth Proportional to 60,605.07, 90,783.68 and 49,400.34

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Solution

The fourth proportional to 60,605.07, 90,783.68 and 49,400.34 is: 73,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,605.07 : 90,783.68 = 49,400.34 : x
  2. Step 2: Convert to fraction form
    60,605.07/90,783.68 = 49,400.34/x
  3. Step 3: Cross multiply
    60,605.07x = 90,783.68 × 49,400.34
  4. Step 4: Simplify right side
    60,605.07x = 4,484,744,411.45
  5. Step 5: Solve for x
    x = 4,484,744,411.45/60,605.07
  6. Step 6: Final answer
    x = 73,999.49

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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.