Home / 85,539.33-118,039.47-47,296.65

Finding the Fourth Proportional to 85,539.33, 118,039.47 and 47,296.65

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Solution

The fourth proportional to 85,539.33, 118,039.47 and 47,296.65 is: 65,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,539.33 : 118,039.47 = 47,296.65 : x
  2. Step 2: Convert to fraction form
    85,539.33/118,039.47 = 47,296.65/x
  3. Step 3: Cross multiply
    85,539.33x = 118,039.47 × 47,296.65
  4. Step 4: Simplify right side
    85,539.33x = 5,582,871,498.78
  5. Step 5: Solve for x
    x = 5,582,871,498.78/85,539.33
  6. Step 6: Final answer
    x = 65,266.72

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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.