Home / 85,234.41-127,665.18-70,275.33

Finding the Fourth Proportional to 85,234.41, 127,665.18 and 70,275.33

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Solution

The fourth proportional to 85,234.41, 127,665.18 and 70,275.33 is: 105,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,234.41 : 127,665.18 = 70,275.33 : x
  2. Step 2: Convert to fraction form
    85,234.41/127,665.18 = 70,275.33/x
  3. Step 3: Cross multiply
    85,234.41x = 127,665.18 × 70,275.33
  4. Step 4: Simplify right side
    85,234.41x = 8,971,712,654.01
  5. Step 5: Solve for x
    x = 8,971,712,654.01/85,234.41
  6. Step 6: Final answer
    x = 105,259.28

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1.5x scale

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.