Home / 52,413.14-72,330.08-28,539.98

Finding the Fourth Proportional to 52,413.14, 72,330.08 and 28,539.98

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Solution

The fourth proportional to 52,413.14, 72,330.08 and 28,539.98 is: 39,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,413.14 : 72,330.08 = 28,539.98 : x
  2. Step 2: Convert to fraction form
    52,413.14/72,330.08 = 28,539.98/x
  3. Step 3: Cross multiply
    52,413.14x = 72,330.08 × 28,539.98
  4. Step 4: Simplify right side
    52,413.14x = 2,064,299,036.60
  5. Step 5: Solve for x
    x = 2,064,299,036.60/52,413.14
  6. Step 6: Final answer
    x = 39,385.14

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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.