Home / 86,185.69-118,938.68-47,946.46

Finding the Fourth Proportional to 86,185.69, 118,938.68 and 47,946.46

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Solution

The fourth proportional to 86,185.69, 118,938.68 and 47,946.46 is: 66,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,185.69 : 118,938.68 = 47,946.46 : x
  2. Step 2: Convert to fraction form
    86,185.69/118,938.68 = 47,946.46/x
  3. Step 3: Cross multiply
    86,185.69x = 118,938.68 × 47,946.46
  4. Step 4: Simplify right side
    86,185.69x = 5,702,688,663.07
  5. Step 5: Solve for x
    x = 5,702,688,663.07/86,185.69
  6. Step 6: Final answer
    x = 66,167.47

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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.