Home / 85,526.40-118,025.52-47,288.64

Finding the Fourth Proportional to 85,526.40, 118,025.52 and 47,288.64

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Solution

The fourth proportional to 85,526.40, 118,025.52 and 47,288.64 is: 65,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,526.40 : 118,025.52 = 47,288.64 : x
  2. Step 2: Convert to fraction form
    85,526.40/118,025.52 = 47,288.64/x
  3. Step 3: Cross multiply
    85,526.40x = 118,025.52 × 47,288.64
  4. Step 4: Simplify right side
    85,526.40x = 5,581,266,326.09
  5. Step 5: Solve for x
    x = 5,581,266,326.09/85,526.40
  6. Step 6: Final answer
    x = 65,257.82

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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.