Home / 86,152.02-118,889.64-47,910.53

Finding the Fourth Proportional to 86,152.02, 118,889.64 and 47,910.53

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Solution

The fourth proportional to 86,152.02, 118,889.64 and 47,910.53 is: 66,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152.02 : 118,889.64 = 47,910.53 : x
  2. Step 2: Convert to fraction form
    86,152.02/118,889.64 = 47,910.53/x
  3. Step 3: Cross multiply
    86,152.02x = 118,889.64 × 47,910.53
  4. Step 4: Simplify right side
    86,152.02x = 5,696,065,069.46
  5. Step 5: Solve for x
    x = 5,696,065,069.46/86,152.02
  6. Step 6: Final answer
    x = 66,116.44

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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.