Home / 85,564.86-118,094.10-49,775.64

Finding the Fourth Proportional to 85,564.86, 118,094.10 and 49,775.64

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Solution

The fourth proportional to 85,564.86, 118,094.10 and 49,775.64 is: 68,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,564.86 : 118,094.10 = 49,775.64 : x
  2. Step 2: Convert to fraction form
    85,564.86/118,094.10 = 49,775.64/x
  3. Step 3: Cross multiply
    85,564.86x = 118,094.10 × 49,775.64
  4. Step 4: Simplify right side
    85,564.86x = 5,878,209,407.72
  5. Step 5: Solve for x
    x = 5,878,209,407.72/85,564.86
  6. Step 6: Final answer
    x = 68,698.87

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1.5x scale

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.