Home / 70,435.24-104,918.93-66,695.40

Finding the Fourth Proportional to 70,435.24, 104,918.93 and 66,695.40

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Solution

The fourth proportional to 70,435.24, 104,918.93 and 66,695.40 is: 99,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,435.24 : 104,918.93 = 66,695.40 : x
  2. Step 2: Convert to fraction form
    70,435.24/104,918.93 = 66,695.40/x
  3. Step 3: Cross multiply
    70,435.24x = 104,918.93 × 66,695.40
  4. Step 4: Simplify right side
    70,435.24x = 6,997,610,003.92
  5. Step 5: Solve for x
    x = 6,997,610,003.92/70,435.24
  6. Step 6: Final answer
    x = 99,348.14

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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.