Home / 119,479.03-164,879.75-65,762.89

Finding the Fourth Proportional to 119,479.03, 164,879.75 and 65,762.89

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Solution

The fourth proportional to 119,479.03, 164,879.75 and 65,762.89 is: 90,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,479.03 : 164,879.75 = 65,762.89 : x
  2. Step 2: Convert to fraction form
    119,479.03/164,879.75 = 65,762.89/x
  3. Step 3: Cross multiply
    119,479.03x = 164,879.75 × 65,762.89
  4. Step 4: Simplify right side
    119,479.03x = 10,842,968,038.08
  5. Step 5: Solve for x
    x = 10,842,968,038.08/119,479.03
  6. Step 6: Final answer
    x = 90,752.06

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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.