Home / 86,582.69-119,482.94-48,342.83

Finding the Fourth Proportional to 86,582.69, 119,482.94 and 48,342.83

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Solution

The fourth proportional to 86,582.69, 119,482.94 and 48,342.83 is: 66,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,582.69 : 119,482.94 = 48,342.83 : x
  2. Step 2: Convert to fraction form
    86,582.69/119,482.94 = 48,342.83/x
  3. Step 3: Cross multiply
    86,582.69x = 119,482.94 × 48,342.83
  4. Step 4: Simplify right side
    86,582.69x = 5,776,142,979.76
  5. Step 5: Solve for x
    x = 5,776,142,979.76/86,582.69
  6. Step 6: Final answer
    x = 66,712.45

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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.