Home / 48,106.60-72,014.10-36,345.40

Finding the Fourth Proportional to 48,106.60, 72,014.10 and 36,345.40

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Solution

The fourth proportional to 48,106.60, 72,014.10 and 36,345.40 is: 54,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,106.60 : 72,014.10 = 36,345.40 : x
  2. Step 2: Convert to fraction form
    48,106.60/72,014.10 = 36,345.40/x
  3. Step 3: Cross multiply
    48,106.60x = 72,014.10 × 36,345.40
  4. Step 4: Simplify right side
    48,106.60x = 2,617,381,270.14
  5. Step 5: Solve for x
    x = 2,617,381,270.14/48,106.60
  6. Step 6: Final answer
    x = 54,407.95

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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.