Home / 86,640.02-130,028.07-44,518.40

Finding the Fourth Proportional to 86,640.02, 130,028.07 and 44,518.40

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Solution

The fourth proportional to 86,640.02, 130,028.07 and 44,518.40 is: 66,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,640.02 : 130,028.07 = 44,518.40 : x
  2. Step 2: Convert to fraction form
    86,640.02/130,028.07 = 44,518.40/x
  3. Step 3: Cross multiply
    86,640.02x = 130,028.07 × 44,518.40
  4. Step 4: Simplify right side
    86,640.02x = 5,788,641,631.49
  5. Step 5: Solve for x
    x = 5,788,641,631.49/86,640.02
  6. Step 6: Final answer
    x = 66,812.56

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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.