Home / 48,256.40-72,298.20-39,443.60

Finding the Fourth Proportional to 48,256.40, 72,298.20 and 39,443.60

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Solution

The fourth proportional to 48,256.40, 72,298.20 and 39,443.60 is: 59,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,256.40 : 72,298.20 = 39,443.60 : x
  2. Step 2: Convert to fraction form
    48,256.40/72,298.20 = 39,443.60/x
  3. Step 3: Cross multiply
    48,256.40x = 72,298.20 × 39,443.60
  4. Step 4: Simplify right side
    48,256.40x = 2,851,701,281.52
  5. Step 5: Solve for x
    x = 2,851,701,281.52/48,256.40
  6. Step 6: Final answer
    x = 59,094.78

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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.