Home / 66,208.61-99,312.95-16,289.64

Finding the Fourth Proportional to 66,208.61, 99,312.95 and 16,289.64

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Solution

The fourth proportional to 66,208.61, 99,312.95 and 16,289.64 is: 24,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208.61 : 99,312.95 = 16,289.64 : x
  2. Step 2: Convert to fraction form
    66,208.61/99,312.95 = 16,289.64/x
  3. Step 3: Cross multiply
    66,208.61x = 99,312.95 × 16,289.64
  4. Step 4: Simplify right side
    66,208.61x = 1,617,772,243.56
  5. Step 5: Solve for x
    x = 1,617,772,243.56/66,208.61
  6. Step 6: Final answer
    x = 24,434.47

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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.