Home / 85,341.18-117,751.98-49,510.44

Finding the Fourth Proportional to 85,341.18, 117,751.98 and 49,510.44

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Solution

The fourth proportional to 85,341.18, 117,751.98 and 49,510.44 is: 68,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,341.18 : 117,751.98 = 49,510.44 : x
  2. Step 2: Convert to fraction form
    85,341.18/117,751.98 = 49,510.44/x
  3. Step 3: Cross multiply
    85,341.18x = 117,751.98 × 49,510.44
  4. Step 4: Simplify right side
    85,341.18x = 5,829,952,340.67
  5. Step 5: Solve for x
    x = 5,829,952,340.67/85,341.18
  6. Step 6: Final answer
    x = 68,313.47

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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.