Home / 74,635.63-102,989.02-44,416.76

Finding the Fourth Proportional to 74,635.63, 102,989.02 and 44,416.76

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Solution

The fourth proportional to 74,635.63, 102,989.02 and 44,416.76 is: 61,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,635.63 : 102,989.02 = 44,416.76 : x
  2. Step 2: Convert to fraction form
    74,635.63/102,989.02 = 44,416.76/x
  3. Step 3: Cross multiply
    74,635.63x = 102,989.02 × 44,416.76
  4. Step 4: Simplify right side
    74,635.63x = 4,574,438,041.27
  5. Step 5: Solve for x
    x = 4,574,438,041.27/74,635.63
  6. Step 6: Final answer
    x = 61,290.27

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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.