Home / 75,275.67-103,880.26-43,444.57

Finding the Fourth Proportional to 75,275.67, 103,880.26 and 43,444.57

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Solution

The fourth proportional to 75,275.67, 103,880.26 and 43,444.57 is: 59,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.67 : 103,880.26 = 43,444.57 : x
  2. Step 2: Convert to fraction form
    75,275.67/103,880.26 = 43,444.57/x
  3. Step 3: Cross multiply
    75,275.67x = 103,880.26 × 43,444.57
  4. Step 4: Simplify right side
    75,275.67x = 4,513,033,227.19
  5. Step 5: Solve for x
    x = 4,513,033,227.19/75,275.67
  6. Step 6: Final answer
    x = 59,953.41

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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.