Home / 55,783.99-76,985.54-31,913.83

Finding the Fourth Proportional to 55,783.99, 76,985.54 and 31,913.83

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Solution

The fourth proportional to 55,783.99, 76,985.54 and 31,913.83 is: 44,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,783.99 : 76,985.54 = 31,913.83 : x
  2. Step 2: Convert to fraction form
    55,783.99/76,985.54 = 31,913.83/x
  3. Step 3: Cross multiply
    55,783.99x = 76,985.54 × 31,913.83
  4. Step 4: Simplify right side
    55,783.99x = 2,456,903,436.02
  5. Step 5: Solve for x
    x = 2,456,903,436.02/55,783.99
  6. Step 6: Final answer
    x = 44,043.16

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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.