Home / 86,830.84-119,827-48,590.44

Finding the Fourth Proportional to 86,830.84, 119,827 and 48,590.44

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Solution

The fourth proportional to 86,830.84, 119,827 and 48,590.44 is: 67,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,830.84 : 119,827 = 48,590.44 : x
  2. Step 2: Convert to fraction form
    86,830.84/119,827 = 48,590.44/x
  3. Step 3: Cross multiply
    86,830.84x = 119,827 × 48,590.44
  4. Step 4: Simplify right side
    86,830.84x = 5,822,446,653.88
  5. Step 5: Solve for x
    x = 5,822,446,653.88/86,830.84
  6. Step 6: Final answer
    x = 67,055.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.