Home / 87,933.09-121,349.93-53,960.35

Finding the Fourth Proportional to 87,933.09, 121,349.93 and 53,960.35

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Solution

The fourth proportional to 87,933.09, 121,349.93 and 53,960.35 is: 74,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.09 : 121,349.93 = 53,960.35 : x
  2. Step 2: Convert to fraction form
    87,933.09/121,349.93 = 53,960.35/x
  3. Step 3: Cross multiply
    87,933.09x = 121,349.93 × 53,960.35
  4. Step 4: Simplify right side
    87,933.09x = 6,548,084,695.28
  5. Step 5: Solve for x
    x = 6,548,084,695.28/87,933.09
  6. Step 6: Final answer
    x = 74,466.67

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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.