Home / 85,974.08-118,698.36-70,095.92

Finding the Fourth Proportional to 85,974.08, 118,698.36 and 70,095.92

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Solution

The fourth proportional to 85,974.08, 118,698.36 and 70,095.92 is: 96,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,974.08 : 118,698.36 = 70,095.92 : x
  2. Step 2: Convert to fraction form
    85,974.08/118,698.36 = 70,095.92/x
  3. Step 3: Cross multiply
    85,974.08x = 118,698.36 × 70,095.92
  4. Step 4: Simplify right side
    85,974.08x = 8,320,270,746.69
  5. Step 5: Solve for x
    x = 8,320,270,746.69/85,974.08
  6. Step 6: Final answer
    x = 96,776.50

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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.