Home / 86,880.02-130,311.66-27,705.20

Finding the Fourth Proportional to 86,880.02, 130,311.66 and 27,705.20

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Solution

The fourth proportional to 86,880.02, 130,311.66 and 27,705.20 is: 41,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,880.02 : 130,311.66 = 27,705.20 : x
  2. Step 2: Convert to fraction form
    86,880.02/130,311.66 = 27,705.20/x
  3. Step 3: Cross multiply
    86,880.02x = 130,311.66 × 27,705.20
  4. Step 4: Simplify right side
    86,880.02x = 3,610,310,602.63
  5. Step 5: Solve for x
    x = 3,610,310,602.63/86,880.02
  6. Step 6: Final answer
    x = 41,555.13

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1.5x scale

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.