Home / 103,586.40-155,345.58-32,508.90

Finding the Fourth Proportional to 103,586.40, 155,345.58 and 32,508.90

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Solution

The fourth proportional to 103,586.40, 155,345.58 and 32,508.90 is: 48,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586.40 : 155,345.58 = 32,508.90 : x
  2. Step 2: Convert to fraction form
    103,586.40/155,345.58 = 32,508.90/x
  3. Step 3: Cross multiply
    103,586.40x = 155,345.58 × 32,508.90
  4. Step 4: Simplify right side
    103,586.40x = 5,050,113,925.66
  5. Step 5: Solve for x
    x = 5,050,113,925.66/103,586.40
  6. Step 6: Final answer
    x = 48,752.67

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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.