Home / 54,301.86-74,835.09-42,346.26

Finding the Fourth Proportional to 54,301.86, 74,835.09 and 42,346.26

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Solution

The fourth proportional to 54,301.86, 74,835.09 and 42,346.26 is: 58,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.86 : 74,835.09 = 42,346.26 : x
  2. Step 2: Convert to fraction form
    54,301.86/74,835.09 = 42,346.26/x
  3. Step 3: Cross multiply
    54,301.86x = 74,835.09 × 42,346.26
  4. Step 4: Simplify right side
    54,301.86x = 3,168,986,178.26
  5. Step 5: Solve for x
    x = 3,168,986,178.26/54,301.86
  6. Step 6: Final answer
    x = 58,358.70

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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.