Home / 53,152.74-73,348.20-29,278.80

Finding the Fourth Proportional to 53,152.74, 73,348.20 and 29,278.80

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Solution

The fourth proportional to 53,152.74, 73,348.20 and 29,278.80 is: 40,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152.74 : 73,348.20 = 29,278.80 : x
  2. Step 2: Convert to fraction form
    53,152.74/73,348.20 = 29,278.80/x
  3. Step 3: Cross multiply
    53,152.74x = 73,348.20 × 29,278.80
  4. Step 4: Simplify right side
    53,152.74x = 2,147,547,278.16
  5. Step 5: Solve for x
    x = 2,147,547,278.16/53,152.74
  6. Step 6: Final answer
    x = 40,403.32

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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.