Home / 61,154.04-84,413.30-38,530.95

Finding the Fourth Proportional to 61,154.04, 84,413.30 and 38,530.95

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Solution

The fourth proportional to 61,154.04, 84,413.30 and 38,530.95 is: 53,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.04 : 84,413.30 = 38,530.95 : x
  2. Step 2: Convert to fraction form
    61,154.04/84,413.30 = 38,530.95/x
  3. Step 3: Cross multiply
    61,154.04x = 84,413.30 × 38,530.95
  4. Step 4: Simplify right side
    61,154.04x = 3,252,524,641.64
  5. Step 5: Solve for x
    x = 3,252,524,641.64/61,154.04
  6. Step 6: Final answer
    x = 53,185.77

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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.