Home / 68,435.61-94,438.49-42,955.67

Finding the Fourth Proportional to 68,435.61, 94,438.49 and 42,955.67

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Solution

The fourth proportional to 68,435.61, 94,438.49 and 42,955.67 is: 59,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,435.61 : 94,438.49 = 42,955.67 : x
  2. Step 2: Convert to fraction form
    68,435.61/94,438.49 = 42,955.67/x
  3. Step 3: Cross multiply
    68,435.61x = 94,438.49 × 42,955.67
  4. Step 4: Simplify right side
    68,435.61x = 4,056,667,924.77
  5. Step 5: Solve for x
    x = 4,056,667,924.77/68,435.61
  6. Step 6: Final answer
    x = 59,277.15

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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.