Home / 85,210.65-117,599.49-51,230.25

Finding the Fourth Proportional to 85,210.65, 117,599.49 and 51,230.25

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Solution

The fourth proportional to 85,210.65, 117,599.49 and 51,230.25 is: 70,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,210.65 : 117,599.49 = 51,230.25 : x
  2. Step 2: Convert to fraction form
    85,210.65/117,599.49 = 51,230.25/x
  3. Step 3: Cross multiply
    85,210.65x = 117,599.49 × 51,230.25
  4. Step 4: Simplify right side
    85,210.65x = 6,024,651,272.57
  5. Step 5: Solve for x
    x = 6,024,651,272.57/85,210.65
  6. Step 6: Final answer
    x = 70,703.03

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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.