Home / 85,557.85-118,070.58-47,315.41

Finding the Fourth Proportional to 85,557.85, 118,070.58 and 47,315.41

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Solution

The fourth proportional to 85,557.85, 118,070.58 and 47,315.41 is: 65,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,557.85 : 118,070.58 = 47,315.41 : x
  2. Step 2: Convert to fraction form
    85,557.85/118,070.58 = 47,315.41/x
  3. Step 3: Cross multiply
    85,557.85x = 118,070.58 × 47,315.41
  4. Step 4: Simplify right side
    85,557.85x = 5,586,557,901.64
  5. Step 5: Solve for x
    x = 5,586,557,901.64/85,557.85
  6. Step 6: Final answer
    x = 65,295.68

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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.