Home / 112,701.84-155,528.55-62,400.84

Finding the Fourth Proportional to 112,701.84, 155,528.55 and 62,400.84

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Solution

The fourth proportional to 112,701.84, 155,528.55 and 62,400.84 is: 86,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.84 : 155,528.55 = 62,400.84 : x
  2. Step 2: Convert to fraction form
    112,701.84/155,528.55 = 62,400.84/x
  3. Step 3: Cross multiply
    112,701.84x = 155,528.55 × 62,400.84
  4. Step 4: Simplify right side
    112,701.84x = 9,705,112,163.98
  5. Step 5: Solve for x
    x = 9,705,112,163.98/112,701.84
  6. Step 6: Final answer
    x = 86,113.17

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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.