Home / 104,087.16-143,642.16-58,756.32

Finding the Fourth Proportional to 104,087.16, 143,642.16 and 58,756.32

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Solution

The fourth proportional to 104,087.16, 143,642.16 and 58,756.32 is: 81,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,087.16 : 143,642.16 = 58,756.32 : x
  2. Step 2: Convert to fraction form
    104,087.16/143,642.16 = 58,756.32/x
  3. Step 3: Cross multiply
    104,087.16x = 143,642.16 × 58,756.32
  4. Step 4: Simplify right side
    104,087.16x = 8,439,884,718.45
  5. Step 5: Solve for x
    x = 8,439,884,718.45/104,087.16
  6. Step 6: Final answer
    x = 81,084.78

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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.