Home / 86,210.10-118,952.10-50,393.17

Finding the Fourth Proportional to 86,210.10, 118,952.10 and 50,393.17

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Solution

The fourth proportional to 86,210.10, 118,952.10 and 50,393.17 is: 69,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,210.10 : 118,952.10 = 50,393.17 : x
  2. Step 2: Convert to fraction form
    86,210.10/118,952.10 = 50,393.17/x
  3. Step 3: Cross multiply
    86,210.10x = 118,952.10 × 50,393.17
  4. Step 4: Simplify right side
    86,210.10x = 5,994,373,397.16
  5. Step 5: Solve for x
    x = 5,994,373,397.16/86,210.10
  6. Step 6: Final answer
    x = 69,532.15

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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.