Home / 74,675.44-103,051.02-42,843.64

Finding the Fourth Proportional to 74,675.44, 103,051.02 and 42,843.64

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Solution

The fourth proportional to 74,675.44, 103,051.02 and 42,843.64 is: 59,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675.44 : 103,051.02 = 42,843.64 : x
  2. Step 2: Convert to fraction form
    74,675.44/103,051.02 = 42,843.64/x
  3. Step 3: Cross multiply
    74,675.44x = 103,051.02 × 42,843.64
  4. Step 4: Simplify right side
    74,675.44x = 4,415,080,802.51
  5. Step 5: Solve for x
    x = 4,415,080,802.51/74,675.44
  6. Step 6: Final answer
    x = 59,123.60

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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.