Home / 113,605.67-156,774.96-62,618.50

Finding the Fourth Proportional to 113,605.67, 156,774.96 and 62,618.50

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Solution

The fourth proportional to 113,605.67, 156,774.96 and 62,618.50 is: 86,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.67 : 156,774.96 = 62,618.50 : x
  2. Step 2: Convert to fraction form
    113,605.67/156,774.96 = 62,618.50/x
  3. Step 3: Cross multiply
    113,605.67x = 156,774.96 × 62,618.50
  4. Step 4: Simplify right side
    113,605.67x = 9,817,013,028.73
  5. Step 5: Solve for x
    x = 9,817,013,028.73/113,605.67
  6. Step 6: Final answer
    x = 86,413.05

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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.