Home / 86,700.73-130,025.17-45,125.05

Finding the Fourth Proportional to 86,700.73, 130,025.17 and 45,125.05

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Solution

The fourth proportional to 86,700.73, 130,025.17 and 45,125.05 is: 67,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,700.73 : 130,025.17 = 45,125.05 : x
  2. Step 2: Convert to fraction form
    86,700.73/130,025.17 = 45,125.05/x
  3. Step 3: Cross multiply
    86,700.73x = 130,025.17 × 45,125.05
  4. Step 4: Simplify right side
    86,700.73x = 5,867,392,297.51
  5. Step 5: Solve for x
    x = 5,867,392,297.51/86,700.73
  6. Step 6: Final answer
    x = 67,674.08

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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.