Home / 86,212.04-118,973.66-48,486.29

Finding the Fourth Proportional to 86,212.04, 118,973.66 and 48,486.29

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Solution

The fourth proportional to 86,212.04, 118,973.66 and 48,486.29 is: 66,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212.04 : 118,973.66 = 48,486.29 : x
  2. Step 2: Convert to fraction form
    86,212.04/118,973.66 = 48,486.29/x
  3. Step 3: Cross multiply
    86,212.04x = 118,973.66 × 48,486.29
  4. Step 4: Simplify right side
    86,212.04x = 5,768,590,543.82
  5. Step 5: Solve for x
    x = 5,768,590,543.82/86,212.04
  6. Step 6: Final answer
    x = 66,911.66

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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.