Home / 86,086.34-118,802.20-47,846.65

Finding the Fourth Proportional to 86,086.34, 118,802.20 and 47,846.65

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Solution

The fourth proportional to 86,086.34, 118,802.20 and 47,846.65 is: 66,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,086.34 : 118,802.20 = 47,846.65 : x
  2. Step 2: Convert to fraction form
    86,086.34/118,802.20 = 47,846.65/x
  3. Step 3: Cross multiply
    86,086.34x = 118,802.20 × 47,846.65
  4. Step 4: Simplify right side
    86,086.34x = 5,684,287,043.40
  5. Step 5: Solve for x
    x = 5,684,287,043.40/86,086.34
  6. Step 6: Final answer
    x = 66,030.07

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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.