Home / 75,275.67-103,880.25-43,444.56

Finding the Fourth Proportional to 75,275.67, 103,880.25 and 43,444.56

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Solution

The fourth proportional to 75,275.67, 103,880.25 and 43,444.56 is: 59,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.67 : 103,880.25 = 43,444.56 : x
  2. Step 2: Convert to fraction form
    75,275.67/103,880.25 = 43,444.56/x
  3. Step 3: Cross multiply
    75,275.67x = 103,880.25 × 43,444.56
  4. Step 4: Simplify right side
    75,275.67x = 4,513,031,753.94
  5. Step 5: Solve for x
    x = 4,513,031,753.94/75,275.67
  6. Step 6: Final answer
    x = 59,953.39

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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.