Home / 76,334.04-105,319.44-49,477.68

Finding the Fourth Proportional to 76,334.04, 105,319.44 and 49,477.68

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Solution

The fourth proportional to 76,334.04, 105,319.44 and 49,477.68 is: 68,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,334.04 : 105,319.44 = 49,477.68 : x
  2. Step 2: Convert to fraction form
    76,334.04/105,319.44 = 49,477.68/x
  3. Step 3: Cross multiply
    76,334.04x = 105,319.44 × 49,477.68
  4. Step 4: Simplify right side
    76,334.04x = 5,210,961,550.10
  5. Step 5: Solve for x
    x = 5,210,961,550.10/76,334.04
  6. Step 6: Final answer
    x = 68,265.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.