Home / 47,088.88-64,999.71-31,178.45

Finding the Fourth Proportional to 47,088.88, 64,999.71 and 31,178.45

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Solution

The fourth proportional to 47,088.88, 64,999.71 and 31,178.45 is: 43,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,088.88 : 64,999.71 = 31,178.45 : x
  2. Step 2: Convert to fraction form
    47,088.88/64,999.71 = 31,178.45/x
  3. Step 3: Cross multiply
    47,088.88x = 64,999.71 × 31,178.45
  4. Step 4: Simplify right side
    47,088.88x = 2,026,590,370.75
  5. Step 5: Solve for x
    x = 2,026,590,370.75/47,088.88
  6. Step 6: Final answer
    x = 43,037.56

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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.