Home / 86,125.86-118,852.65-48,406.50

Finding the Fourth Proportional to 86,125.86, 118,852.65 and 48,406.50

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Solution

The fourth proportional to 86,125.86, 118,852.65 and 48,406.50 is: 66,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.86 : 118,852.65 = 48,406.50 : x
  2. Step 2: Convert to fraction form
    86,125.86/118,852.65 = 48,406.50/x
  3. Step 3: Cross multiply
    86,125.86x = 118,852.65 × 48,406.50
  4. Step 4: Simplify right side
    86,125.86x = 5,753,240,802.23
  5. Step 5: Solve for x
    x = 5,753,240,802.23/86,125.86
  6. Step 6: Final answer
    x = 66,800.39

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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.