Home / 88,717.10-133,075.65-26,387.60

Finding the Fourth Proportional to 88,717.10, 133,075.65 and 26,387.60

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Solution

The fourth proportional to 88,717.10, 133,075.65 and 26,387.60 is: 39,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.10 : 133,075.65 = 26,387.60 : x
  2. Step 2: Convert to fraction form
    88,717.10/133,075.65 = 26,387.60/x
  3. Step 3: Cross multiply
    88,717.10x = 133,075.65 × 26,387.60
  4. Step 4: Simplify right side
    88,717.10x = 3,511,547,021.94
  5. Step 5: Solve for x
    x = 3,511,547,021.94/88,717.10
  6. Step 6: Final answer
    x = 39,581.40

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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.