Home / 53,291.04-79,875.78-26,940.12

Finding the Fourth Proportional to 53,291.04, 79,875.78 and 26,940.12

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Solution

The fourth proportional to 53,291.04, 79,875.78 and 26,940.12 is: 40,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.04 : 79,875.78 = 26,940.12 : x
  2. Step 2: Convert to fraction form
    53,291.04/79,875.78 = 26,940.12/x
  3. Step 3: Cross multiply
    53,291.04x = 79,875.78 × 26,940.12
  4. Step 4: Simplify right side
    53,291.04x = 2,151,863,098.29
  5. Step 5: Solve for x
    x = 2,151,863,098.29/53,291.04
  6. Step 6: Final answer
    x = 40,379.45

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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.