Home / 85,538.41-118,038.24-47,295.75

Finding the Fourth Proportional to 85,538.41, 118,038.24 and 47,295.75

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Solution

The fourth proportional to 85,538.41, 118,038.24 and 47,295.75 is: 65,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,538.41 : 118,038.24 = 47,295.75 : x
  2. Step 2: Convert to fraction form
    85,538.41/118,038.24 = 47,295.75/x
  3. Step 3: Cross multiply
    85,538.41x = 118,038.24 × 47,295.75
  4. Step 4: Simplify right side
    85,538.41x = 5,582,707,089.48
  5. Step 5: Solve for x
    x = 5,582,707,089.48/85,538.41
  6. Step 6: Final answer
    x = 65,265.50

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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.