Home / 61,030.12-91,511.80-48,460.62

Finding the Fourth Proportional to 61,030.12, 91,511.80 and 48,460.62

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Solution

The fourth proportional to 61,030.12, 91,511.80 and 48,460.62 is: 72,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,030.12 : 91,511.80 = 48,460.62 : x
  2. Step 2: Convert to fraction form
    61,030.12/91,511.80 = 48,460.62/x
  3. Step 3: Cross multiply
    61,030.12x = 91,511.80 × 48,460.62
  4. Step 4: Simplify right side
    61,030.12x = 4,434,718,565.32
  5. Step 5: Solve for x
    x = 4,434,718,565.32/61,030.12
  6. Step 6: Final answer
    x = 72,664.42

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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.