Home / 85,210.71-117,585.40-46,968.15

Finding the Fourth Proportional to 85,210.71, 117,585.40 and 46,968.15

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Solution

The fourth proportional to 85,210.71, 117,585.40 and 46,968.15 is: 64,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,210.71 : 117,585.40 = 46,968.15 : x
  2. Step 2: Convert to fraction form
    85,210.71/117,585.40 = 46,968.15/x
  3. Step 3: Cross multiply
    85,210.71x = 117,585.40 × 46,968.15
  4. Step 4: Simplify right side
    85,210.71x = 5,522,768,705.01
  5. Step 5: Solve for x
    x = 5,522,768,705.01/85,210.71
  6. Step 6: Final answer
    x = 64,813.08

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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.