Home / 103,032.96-154,549.44-47,621.76

Finding the Fourth Proportional to 103,032.96, 154,549.44 and 47,621.76

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Solution

The fourth proportional to 103,032.96, 154,549.44 and 47,621.76 is: 71,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,032.96 : 154,549.44 = 47,621.76 : x
  2. Step 2: Convert to fraction form
    103,032.96/154,549.44 = 47,621.76/x
  3. Step 3: Cross multiply
    103,032.96x = 154,549.44 × 47,621.76
  4. Step 4: Simplify right side
    103,032.96x = 7,359,916,339.81
  5. Step 5: Solve for x
    x = 7,359,916,339.81/103,032.96
  6. Step 6: Final answer
    x = 71,432.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.