Home / 78,618.68-108,503.33-44,637.74

Finding the Fourth Proportional to 78,618.68, 108,503.33 and 44,637.74

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Solution

The fourth proportional to 78,618.68, 108,503.33 and 44,637.74 is: 61,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,618.68 : 108,503.33 = 44,637.74 : x
  2. Step 2: Convert to fraction form
    78,618.68/108,503.33 = 44,637.74/x
  3. Step 3: Cross multiply
    78,618.68x = 108,503.33 × 44,637.74
  4. Step 4: Simplify right side
    78,618.68x = 4,843,342,667.97
  5. Step 5: Solve for x
    x = 4,843,342,667.97/78,618.68
  6. Step 6: Final answer
    x = 61,605.50

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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.