Home / 112,947.84-155,868.09-62,646.84

Finding the Fourth Proportional to 112,947.84, 155,868.09 and 62,646.84

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Solution

The fourth proportional to 112,947.84, 155,868.09 and 62,646.84 is: 86,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,947.84 : 155,868.09 = 62,646.84 : x
  2. Step 2: Convert to fraction form
    112,947.84/155,868.09 = 62,646.84/x
  3. Step 3: Cross multiply
    112,947.84x = 155,868.09 × 62,646.84
  4. Step 4: Simplify right side
    112,947.84x = 9,764,643,295.34
  5. Step 5: Solve for x
    x = 9,764,643,295.34/112,947.84
  6. Step 6: Final answer
    x = 86,452.68

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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.