Home / 86,035.02-118,729.74-48,308.46

Finding the Fourth Proportional to 86,035.02, 118,729.74 and 48,308.46

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Solution

The fourth proportional to 86,035.02, 118,729.74 and 48,308.46 is: 66,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,035.02 : 118,729.74 = 48,308.46 : x
  2. Step 2: Convert to fraction form
    86,035.02/118,729.74 = 48,308.46/x
  3. Step 3: Cross multiply
    86,035.02x = 118,729.74 × 48,308.46
  4. Step 4: Simplify right side
    86,035.02x = 5,735,650,895.60
  5. Step 5: Solve for x
    x = 5,735,650,895.60/86,035.02
  6. Step 6: Final answer
    x = 66,666.47

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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.