Home / 82,720.10-124,091.60-26,547.01

Finding the Fourth Proportional to 82,720.10, 124,091.60 and 26,547.01

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Solution

The fourth proportional to 82,720.10, 124,091.60 and 26,547.01 is: 39,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720.10 : 124,091.60 = 26,547.01 : x
  2. Step 2: Convert to fraction form
    82,720.10/124,091.60 = 26,547.01/x
  3. Step 3: Cross multiply
    82,720.10x = 124,091.60 × 26,547.01
  4. Step 4: Simplify right side
    82,720.10x = 3,294,260,503.15
  5. Step 5: Solve for x
    x = 3,294,260,503.15/82,720.10
  6. Step 6: Final answer
    x = 39,824.18

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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.