Home / 55,056.36-76,009.20-36,248.16

Finding the Fourth Proportional to 55,056.36, 76,009.20 and 36,248.16

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Solution

The fourth proportional to 55,056.36, 76,009.20 and 36,248.16 is: 50,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,056.36 : 76,009.20 = 36,248.16 : x
  2. Step 2: Convert to fraction form
    55,056.36/76,009.20 = 36,248.16/x
  3. Step 3: Cross multiply
    55,056.36x = 76,009.20 × 36,248.16
  4. Step 4: Simplify right side
    55,056.36x = 2,755,193,643.07
  5. Step 5: Solve for x
    x = 2,755,193,643.07/55,056.36
  6. Step 6: Final answer
    x = 50,043.15

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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.