Home / 85,509.48-118,025.67-49,215.39

Finding the Fourth Proportional to 85,509.48, 118,025.67 and 49,215.39

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Solution

The fourth proportional to 85,509.48, 118,025.67 and 49,215.39 is: 67,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,509.48 : 118,025.67 = 49,215.39 : x
  2. Step 2: Convert to fraction form
    85,509.48/118,025.67 = 49,215.39/x
  3. Step 3: Cross multiply
    85,509.48x = 118,025.67 × 49,215.39
  4. Step 4: Simplify right side
    85,509.48x = 5,808,679,379.06
  5. Step 5: Solve for x
    x = 5,808,679,379.06/85,509.48
  6. Step 6: Final answer
    x = 67,930.24

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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.