Home / 77,719.16-116,617.62-31,004.84

Finding the Fourth Proportional to 77,719.16, 116,617.62 and 31,004.84

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Solution

The fourth proportional to 77,719.16, 116,617.62 and 31,004.84 is: 46,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,719.16 : 116,617.62 = 31,004.84 : x
  2. Step 2: Convert to fraction form
    77,719.16/116,617.62 = 31,004.84/x
  3. Step 3: Cross multiply
    77,719.16x = 116,617.62 × 31,004.84
  4. Step 4: Simplify right side
    77,719.16x = 3,615,710,649.28
  5. Step 5: Solve for x
    x = 3,615,710,649.28/77,719.16
  6. Step 6: Final answer
    x = 46,522.77

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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.