Home / 75,088.81-103,634.18-42,823.49

Finding the Fourth Proportional to 75,088.81, 103,634.18 and 42,823.49

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Solution

The fourth proportional to 75,088.81, 103,634.18 and 42,823.49 is: 59,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.81 : 103,634.18 = 42,823.49 : x
  2. Step 2: Convert to fraction form
    75,088.81/103,634.18 = 42,823.49/x
  3. Step 3: Cross multiply
    75,088.81x = 103,634.18 × 42,823.49
  4. Step 4: Simplify right side
    75,088.81x = 4,437,977,270.89
  5. Step 5: Solve for x
    x = 4,437,977,270.89/75,088.81
  6. Step 6: Final answer
    x = 59,103.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.