Home / 66,713.28-92,097.65-38,413.50

Finding the Fourth Proportional to 66,713.28, 92,097.65 and 38,413.50

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Solution

The fourth proportional to 66,713.28, 92,097.65 and 38,413.50 is: 53,029.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.28 : 92,097.65 = 38,413.50 : x
  2. Step 2: Convert to fraction form
    66,713.28/92,097.65 = 38,413.50/x
  3. Step 3: Cross multiply
    66,713.28x = 92,097.65 × 38,413.50
  4. Step 4: Simplify right side
    66,713.28x = 3,537,793,303.60
  5. Step 5: Solve for x
    x = 3,537,793,303.60/66,713.28
  6. Step 6: Final answer
    x = 53,029.82

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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.