Home / 74,501.37-102,811.86-40,967.37

Finding the Fourth Proportional to 74,501.37, 102,811.86 and 40,967.37

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Solution

The fourth proportional to 74,501.37, 102,811.86 and 40,967.37 is: 56,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501.37 : 102,811.86 = 40,967.37 : x
  2. Step 2: Convert to fraction form
    74,501.37/102,811.86 = 40,967.37/x
  3. Step 3: Cross multiply
    74,501.37x = 102,811.86 × 40,967.37
  4. Step 4: Simplify right side
    74,501.37x = 4,211,931,509.01
  5. Step 5: Solve for x
    x = 4,211,931,509.01/74,501.37
  6. Step 6: Final answer
    x = 56,534.95

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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.