Home / 86,114.76-118,840.41-47,875.47

Finding the Fourth Proportional to 86,114.76, 118,840.41 and 47,875.47

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Solution

The fourth proportional to 86,114.76, 118,840.41 and 47,875.47 is: 66,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,114.76 : 118,840.41 = 47,875.47 : x
  2. Step 2: Convert to fraction form
    86,114.76/118,840.41 = 47,875.47/x
  3. Step 3: Cross multiply
    86,114.76x = 118,840.41 × 47,875.47
  4. Step 4: Simplify right side
    86,114.76x = 5,689,540,483.74
  5. Step 5: Solve for x
    x = 5,689,540,483.74/86,114.76
  6. Step 6: Final answer
    x = 66,069.28

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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.