Home / 104,479.42-156,582.24-48,312.40

Finding the Fourth Proportional to 104,479.42, 156,582.24 and 48,312.40

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Solution

The fourth proportional to 104,479.42, 156,582.24 and 48,312.40 is: 72,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.42 : 156,582.24 = 48,312.40 : x
  2. Step 2: Convert to fraction form
    104,479.42/156,582.24 = 48,312.40/x
  3. Step 3: Cross multiply
    104,479.42x = 156,582.24 × 48,312.40
  4. Step 4: Simplify right side
    104,479.42x = 7,564,863,811.78
  5. Step 5: Solve for x
    x = 7,564,863,811.78/104,479.42
  6. Step 6: Final answer
    x = 72,405.30

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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.