Home / 103,511.37-155,266.86-32,439.45

Finding the Fourth Proportional to 103,511.37, 155,266.86 and 32,439.45

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Solution

The fourth proportional to 103,511.37, 155,266.86 and 32,439.45 is: 48,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,511.37 : 155,266.86 = 32,439.45 : x
  2. Step 2: Convert to fraction form
    103,511.37/155,266.86 = 32,439.45/x
  3. Step 3: Cross multiply
    103,511.37x = 155,266.86 × 32,439.45
  4. Step 4: Simplify right side
    103,511.37x = 5,036,771,541.63
  5. Step 5: Solve for x
    x = 5,036,771,541.63/103,511.37
  6. Step 6: Final answer
    x = 48,659.11

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1.5x scale

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.