Home / 85,210.18-117,590.87-46,971.21

Finding the Fourth Proportional to 85,210.18, 117,590.87 and 46,971.21

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Solution

The fourth proportional to 85,210.18, 117,590.87 and 46,971.21 is: 64,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,210.18 : 117,590.87 = 46,971.21 : x
  2. Step 2: Convert to fraction form
    85,210.18/117,590.87 = 46,971.21/x
  3. Step 3: Cross multiply
    85,210.18x = 117,590.87 × 46,971.21
  4. Step 4: Simplify right side
    85,210.18x = 5,523,385,448.85
  5. Step 5: Solve for x
    x = 5,523,385,448.85/85,210.18
  6. Step 6: Final answer
    x = 64,820.72

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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.