Home / 85,529.25-118,034.01-47,803.50

Finding the Fourth Proportional to 85,529.25, 118,034.01 and 47,803.50

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Solution

The fourth proportional to 85,529.25, 118,034.01 and 47,803.50 is: 65,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,529.25 : 118,034.01 = 47,803.50 : x
  2. Step 2: Convert to fraction form
    85,529.25/118,034.01 = 47,803.50/x
  3. Step 3: Cross multiply
    85,529.25x = 118,034.01 × 47,803.50
  4. Step 4: Simplify right side
    85,529.25x = 5,642,438,797.04
  5. Step 5: Solve for x
    x = 5,642,438,797.04/85,529.25
  6. Step 6: Final answer
    x = 65,970.87

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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.