Home / 85,988.27-118,674.76-51,997.00

Finding the Fourth Proportional to 85,988.27, 118,674.76 and 51,997.00

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Solution

The fourth proportional to 85,988.27, 118,674.76 and 51,997.00 is: 71,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,988.27 : 118,674.76 = 51,997.00 : x
  2. Step 2: Convert to fraction form
    85,988.27/118,674.76 = 51,997.00/x
  3. Step 3: Cross multiply
    85,988.27x = 118,674.76 × 51,997.00
  4. Step 4: Simplify right side
    85,988.27x = 6,170,731,069.04
  5. Step 5: Solve for x
    x = 6,170,731,069.04/85,988.27
  6. Step 6: Final answer
    x = 71,762.48

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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.