Home / 74,058.55-110,518.34-66,185.35

Finding the Fourth Proportional to 74,058.55, 110,518.34 and 66,185.35

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Solution

The fourth proportional to 74,058.55, 110,518.34 and 66,185.35 is: 98,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,058.55 : 110,518.34 = 66,185.35 : x
  2. Step 2: Convert to fraction form
    74,058.55/110,518.34 = 66,185.35/x
  3. Step 3: Cross multiply
    74,058.55x = 110,518.34 × 66,185.35
  4. Step 4: Simplify right side
    74,058.55x = 7,314,694,407.10
  5. Step 5: Solve for x
    x = 7,314,694,407.10/74,058.55
  6. Step 6: Final answer
    x = 98,769.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.