Home / 86,638.02-130,025.07-44,516.40

Finding the Fourth Proportional to 86,638.02, 130,025.07 and 44,516.40

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Solution

The fourth proportional to 86,638.02, 130,025.07 and 44,516.40 is: 66,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,638.02 : 130,025.07 = 44,516.40 : x
  2. Step 2: Convert to fraction form
    86,638.02/130,025.07 = 44,516.40/x
  3. Step 3: Cross multiply
    86,638.02x = 130,025.07 × 44,516.40
  4. Step 4: Simplify right side
    86,638.02x = 5,788,248,026.15
  5. Step 5: Solve for x
    x = 5,788,248,026.15/86,638.02
  6. Step 6: Final answer
    x = 66,809.56

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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.