Home / 63,255.48-87,307.12-36,413.58

Finding the Fourth Proportional to 63,255.48, 87,307.12 and 36,413.58

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Solution

The fourth proportional to 63,255.48, 87,307.12 and 36,413.58 is: 50,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,255.48 : 87,307.12 = 36,413.58 : x
  2. Step 2: Convert to fraction form
    63,255.48/87,307.12 = 36,413.58/x
  3. Step 3: Cross multiply
    63,255.48x = 87,307.12 × 36,413.58
  4. Step 4: Simplify right side
    63,255.48x = 3,179,164,798.69
  5. Step 5: Solve for x
    x = 3,179,164,798.69/63,255.48
  6. Step 6: Final answer
    x = 50,259.12

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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.