Home / 89,104.04-122,960.64-53,275.58

Finding the Fourth Proportional to 89,104.04, 122,960.64 and 53,275.58

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Solution

The fourth proportional to 89,104.04, 122,960.64 and 53,275.58 is: 73,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,104.04 : 122,960.64 = 53,275.58 : x
  2. Step 2: Convert to fraction form
    89,104.04/122,960.64 = 53,275.58/x
  3. Step 3: Cross multiply
    89,104.04x = 122,960.64 × 53,275.58
  4. Step 4: Simplify right side
    89,104.04x = 6,550,799,413.17
  5. Step 5: Solve for x
    x = 6,550,799,413.17/89,104.04
  6. Step 6: Final answer
    x = 73,518.55

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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.