Home / 77,334.16-106,719.36-45,066.73

Finding the Fourth Proportional to 77,334.16, 106,719.36 and 45,066.73

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Solution

The fourth proportional to 77,334.16, 106,719.36 and 45,066.73 is: 62,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334.16 : 106,719.36 = 45,066.73 : x
  2. Step 2: Convert to fraction form
    77,334.16/106,719.36 = 45,066.73/x
  3. Step 3: Cross multiply
    77,334.16x = 106,719.36 × 45,066.73
  4. Step 4: Simplify right side
    77,334.16x = 4,809,492,582.89
  5. Step 5: Solve for x
    x = 4,809,492,582.89/77,334.16
  6. Step 6: Final answer
    x = 62,191.05

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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.