Home / 76,746.30-115,090.29-36,724.20

Finding the Fourth Proportional to 76,746.30, 115,090.29 and 36,724.20

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Solution

The fourth proportional to 76,746.30, 115,090.29 and 36,724.20 is: 55,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746.30 : 115,090.29 = 36,724.20 : x
  2. Step 2: Convert to fraction form
    76,746.30/115,090.29 = 36,724.20/x
  3. Step 3: Cross multiply
    76,746.30x = 115,090.29 × 36,724.20
  4. Step 4: Simplify right side
    76,746.30x = 4,226,598,828.02
  5. Step 5: Solve for x
    x = 4,226,598,828.02/76,746.30
  6. Step 6: Final answer
    x = 55,072.35

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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.