Home / 70,736.12-106,081.50-66,077

Finding the Fourth Proportional to 70,736.12, 106,081.50 and 66,077

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Solution

The fourth proportional to 70,736.12, 106,081.50 and 66,077 is: 99,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,736.12 : 106,081.50 = 66,077 : x
  2. Step 2: Convert to fraction form
    70,736.12/106,081.50 = 66,077/x
  3. Step 3: Cross multiply
    70,736.12x = 106,081.50 × 66,077
  4. Step 4: Simplify right side
    70,736.12x = 7,009,547,275.50
  5. Step 5: Solve for x
    x = 7,009,547,275.50/70,736.12
  6. Step 6: Final answer
    x = 99,094.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.