Home / 85,371.95-117,703.76-70,001.86

Finding the Fourth Proportional to 85,371.95, 117,703.76 and 70,001.86

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Solution

The fourth proportional to 85,371.95, 117,703.76 and 70,001.86 is: 96,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,371.95 : 117,703.76 = 70,001.86 : x
  2. Step 2: Convert to fraction form
    85,371.95/117,703.76 = 70,001.86/x
  3. Step 3: Cross multiply
    85,371.95x = 117,703.76 × 70,001.86
  4. Step 4: Simplify right side
    85,371.95x = 8,239,481,484.72
  5. Step 5: Solve for x
    x = 8,239,481,484.72/85,371.95
  6. Step 6: Final answer
    x = 96,512.75

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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.