Home / 53,148.69-73,345.68-29,275.45

Finding the Fourth Proportional to 53,148.69, 73,345.68 and 29,275.45

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Solution

The fourth proportional to 53,148.69, 73,345.68 and 29,275.45 is: 40,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.69 : 73,345.68 = 29,275.45 : x
  2. Step 2: Convert to fraction form
    53,148.69/73,345.68 = 29,275.45/x
  3. Step 3: Cross multiply
    53,148.69x = 73,345.68 × 29,275.45
  4. Step 4: Simplify right side
    53,148.69x = 2,147,227,604.19
  5. Step 5: Solve for x
    x = 2,147,227,604.19/53,148.69
  6. Step 6: Final answer
    x = 40,400.39

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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.