Home / 86,772.02-130,111.25-46,812.42

Finding the Fourth Proportional to 86,772.02, 130,111.25 and 46,812.42

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Solution

The fourth proportional to 86,772.02, 130,111.25 and 46,812.42 is: 70,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,772.02 : 130,111.25 = 46,812.42 : x
  2. Step 2: Convert to fraction form
    86,772.02/130,111.25 = 46,812.42/x
  3. Step 3: Cross multiply
    86,772.02x = 130,111.25 × 46,812.42
  4. Step 4: Simplify right side
    86,772.02x = 6,090,822,247.66
  5. Step 5: Solve for x
    x = 6,090,822,247.66/86,772.02
  6. Step 6: Final answer
    x = 70,193.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.