Home / 74,632.09-102,883.48-56,695.95

Finding the Fourth Proportional to 74,632.09, 102,883.48 and 56,695.95

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Solution

The fourth proportional to 74,632.09, 102,883.48 and 56,695.95 is: 78,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,632.09 : 102,883.48 = 56,695.95 : x
  2. Step 2: Convert to fraction form
    74,632.09/102,883.48 = 56,695.95/x
  3. Step 3: Cross multiply
    74,632.09x = 102,883.48 × 56,695.95
  4. Step 4: Simplify right side
    74,632.09x = 5,833,076,881.98
  5. Step 5: Solve for x
    x = 5,833,076,881.98/74,632.09
  6. Step 6: Final answer
    x = 78,157.76

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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.