Home / 99,089.87-148,676.49-61,681.23

Finding the Fourth Proportional to 99,089.87, 148,676.49 and 61,681.23

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Solution

The fourth proportional to 99,089.87, 148,676.49 and 61,681.23 is: 92,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,089.87 : 148,676.49 = 61,681.23 : x
  2. Step 2: Convert to fraction form
    99,089.87/148,676.49 = 61,681.23/x
  3. Step 3: Cross multiply
    99,089.87x = 148,676.49 × 61,681.23
  4. Step 4: Simplify right side
    99,089.87x = 9,170,548,775.28
  5. Step 5: Solve for x
    x = 9,170,548,775.28/99,089.87
  6. Step 6: Final answer
    x = 92,547.80

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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.