Home / 53,148.75-73,345.28-29,275.35

Finding the Fourth Proportional to 53,148.75, 73,345.28 and 29,275.35

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Solution

The fourth proportional to 53,148.75, 73,345.28 and 29,275.35 is: 40,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.75 : 73,345.28 = 29,275.35 : x
  2. Step 2: Convert to fraction form
    53,148.75/73,345.28 = 29,275.35/x
  3. Step 3: Cross multiply
    53,148.75x = 73,345.28 × 29,275.35
  4. Step 4: Simplify right side
    53,148.75x = 2,147,208,596.47
  5. Step 5: Solve for x
    x = 2,147,208,596.47/53,148.75
  6. Step 6: Final answer
    x = 40,399.98

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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.