Home / 85,315.16-117,671.46-62,647.04

Finding the Fourth Proportional to 85,315.16, 117,671.46 and 62,647.04

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Solution

The fourth proportional to 85,315.16, 117,671.46 and 62,647.04 is: 86,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,315.16 : 117,671.46 = 62,647.04 : x
  2. Step 2: Convert to fraction form
    85,315.16/117,671.46 = 62,647.04/x
  3. Step 3: Cross multiply
    85,315.16x = 117,671.46 × 62,647.04
  4. Step 4: Simplify right side
    85,315.16x = 7,371,768,661.48
  5. Step 5: Solve for x
    x = 7,371,768,661.48/85,315.16
  6. Step 6: Final answer
    x = 86,406.32

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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.