Home / 85,623.94-118,155.60-46,853.90

Finding the Fourth Proportional to 85,623.94, 118,155.60 and 46,853.90

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Solution

The fourth proportional to 85,623.94, 118,155.60 and 46,853.90 is: 64,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,623.94 : 118,155.60 = 46,853.90 : x
  2. Step 2: Convert to fraction form
    85,623.94/118,155.60 = 46,853.90/x
  3. Step 3: Cross multiply
    85,623.94x = 118,155.60 × 46,853.90
  4. Step 4: Simplify right side
    85,623.94x = 5,536,050,666.84
  5. Step 5: Solve for x
    x = 5,536,050,666.84/85,623.94
  6. Step 6: Final answer
    x = 64,655.41

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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.