Home / 75,100.19-103,637.74-43,268.40

Finding the Fourth Proportional to 75,100.19, 103,637.74 and 43,268.40

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Solution

The fourth proportional to 75,100.19, 103,637.74 and 43,268.40 is: 59,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100.19 : 103,637.74 = 43,268.40 : x
  2. Step 2: Convert to fraction form
    75,100.19/103,637.74 = 43,268.40/x
  3. Step 3: Cross multiply
    75,100.19x = 103,637.74 × 43,268.40
  4. Step 4: Simplify right side
    75,100.19x = 4,484,239,189.42
  5. Step 5: Solve for x
    x = 4,484,239,189.42/75,100.19
  6. Step 6: Final answer
    x = 59,710.09

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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.