Home / 63,038.45-86,991.93-34,358.38

Finding the Fourth Proportional to 63,038.45, 86,991.93 and 34,358.38

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Solution

The fourth proportional to 63,038.45, 86,991.93 and 34,358.38 is: 47,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,038.45 : 86,991.93 = 34,358.38 : x
  2. Step 2: Convert to fraction form
    63,038.45/86,991.93 = 34,358.38/x
  3. Step 3: Cross multiply
    63,038.45x = 86,991.93 × 34,358.38
  4. Step 4: Simplify right side
    63,038.45x = 2,988,901,570.39
  5. Step 5: Solve for x
    x = 2,988,901,570.39/63,038.45
  6. Step 6: Final answer
    x = 47,413.94

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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.