Home / 52,476.74-78,732.11-31,413.50

Finding the Fourth Proportional to 52,476.74, 78,732.11 and 31,413.50

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Solution

The fourth proportional to 52,476.74, 78,732.11 and 31,413.50 is: 47,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,476.74 : 78,732.11 = 31,413.50 : x
  2. Step 2: Convert to fraction form
    52,476.74/78,732.11 = 31,413.50/x
  3. Step 3: Cross multiply
    52,476.74x = 78,732.11 × 31,413.50
  4. Step 4: Simplify right side
    52,476.74x = 2,473,250,822.36
  5. Step 5: Solve for x
    x = 2,473,250,822.36/52,476.74
  6. Step 6: Final answer
    x = 47,130.42

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1.5x scale

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.