Home / 63,430.31-87,512.06-36,186.82

Finding the Fourth Proportional to 63,430.31, 87,512.06 and 36,186.82

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Solution

The fourth proportional to 63,430.31, 87,512.06 and 36,186.82 is: 49,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430.31 : 87,512.06 = 36,186.82 : x
  2. Step 2: Convert to fraction form
    63,430.31/87,512.06 = 36,186.82/x
  3. Step 3: Cross multiply
    63,430.31x = 87,512.06 × 36,186.82
  4. Step 4: Simplify right side
    63,430.31x = 3,166,783,034.74
  5. Step 5: Solve for x
    x = 3,166,783,034.74/63,430.31
  6. Step 6: Final answer
    x = 49,925.39

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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.