Home / 53,707.08-80,583.41-28,740.66

Finding the Fourth Proportional to 53,707.08, 80,583.41 and 28,740.66

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Solution

The fourth proportional to 53,707.08, 80,583.41 and 28,740.66 is: 43,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,707.08 : 80,583.41 = 28,740.66 : x
  2. Step 2: Convert to fraction form
    53,707.08/80,583.41 = 28,740.66/x
  3. Step 3: Cross multiply
    53,707.08x = 80,583.41 × 28,740.66
  4. Step 4: Simplify right side
    53,707.08x = 2,316,019,996.45
  5. Step 5: Solve for x
    x = 2,316,019,996.45/53,707.08
  6. Step 6: Final answer
    x = 43,123.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.