Home / 96,831.15-133,623.43-53,813.32

Finding the Fourth Proportional to 96,831.15, 133,623.43 and 53,813.32

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Solution

The fourth proportional to 96,831.15, 133,623.43 and 53,813.32 is: 74,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,831.15 : 133,623.43 = 53,813.32 : x
  2. Step 2: Convert to fraction form
    96,831.15/133,623.43 = 53,813.32/x
  3. Step 3: Cross multiply
    96,831.15x = 133,623.43 × 53,813.32
  4. Step 4: Simplify right side
    96,831.15x = 7,190,719,929.50
  5. Step 5: Solve for x
    x = 7,190,719,929.50/96,831.15
  6. Step 6: Final answer
    x = 74,260.40

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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.