Home / 42,903.19-59,173-25,889.68

Finding the Fourth Proportional to 42,903.19, 59,173 and 25,889.68

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Solution

The fourth proportional to 42,903.19, 59,173 and 25,889.68 is: 35,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.19 : 59,173 = 25,889.68 : x
  2. Step 2: Convert to fraction form
    42,903.19/59,173 = 25,889.68/x
  3. Step 3: Cross multiply
    42,903.19x = 59,173 × 25,889.68
  4. Step 4: Simplify right side
    42,903.19x = 1,531,970,034.64
  5. Step 5: Solve for x
    x = 1,531,970,034.64/42,903.19
  6. Step 6: Final answer
    x = 35,707.60

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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.