Home / 54,712.40-82,068.60-47,800.40

Finding the Fourth Proportional to 54,712.40, 82,068.60 and 47,800.40

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Solution

The fourth proportional to 54,712.40, 82,068.60 and 47,800.40 is: 71,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.40 : 82,068.60 = 47,800.40 : x
  2. Step 2: Convert to fraction form
    54,712.40/82,068.60 = 47,800.40/x
  3. Step 3: Cross multiply
    54,712.40x = 82,068.60 × 47,800.40
  4. Step 4: Simplify right side
    54,712.40x = 3,922,911,907.44
  5. Step 5: Solve for x
    x = 3,922,911,907.44/54,712.40
  6. Step 6: Final answer
    x = 71,700.60

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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.