Home / 103,705.11-155,594.12-59,368.95

Finding the Fourth Proportional to 103,705.11, 155,594.12 and 59,368.95

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Solution

The fourth proportional to 103,705.11, 155,594.12 and 59,368.95 is: 89,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,705.11 : 155,594.12 = 59,368.95 : x
  2. Step 2: Convert to fraction form
    103,705.11/155,594.12 = 59,368.95/x
  3. Step 3: Cross multiply
    103,705.11x = 155,594.12 × 59,368.95
  4. Step 4: Simplify right side
    103,705.11x = 9,237,459,233.73
  5. Step 5: Solve for x
    x = 9,237,459,233.73/103,705.11
  6. Step 6: Final answer
    x = 89,074.29

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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.