Home / 52,305.03-72,178.56-29,642.70

Finding the Fourth Proportional to 52,305.03, 72,178.56 and 29,642.70

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Solution

The fourth proportional to 52,305.03, 72,178.56 and 29,642.70 is: 40,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.03 : 72,178.56 = 29,642.70 : x
  2. Step 2: Convert to fraction form
    52,305.03/72,178.56 = 29,642.70/x
  3. Step 3: Cross multiply
    52,305.03x = 72,178.56 × 29,642.70
  4. Step 4: Simplify right side
    52,305.03x = 2,139,567,400.51
  5. Step 5: Solve for x
    x = 2,139,567,400.51/52,305.03
  6. Step 6: Final answer
    x = 40,905.58

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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.