Home / 112,946.55-155,933.78-70,562.49

Finding the Fourth Proportional to 112,946.55, 155,933.78 and 70,562.49

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Solution

The fourth proportional to 112,946.55, 155,933.78 and 70,562.49 is: 97,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,946.55 : 155,933.78 = 70,562.49 : x
  2. Step 2: Convert to fraction form
    112,946.55/155,933.78 = 70,562.49/x
  3. Step 3: Cross multiply
    112,946.55x = 155,933.78 × 70,562.49
  4. Step 4: Simplify right side
    112,946.55x = 11,003,075,439.10
  5. Step 5: Solve for x
    x = 11,003,075,439.10/112,946.55
  6. Step 6: Final answer
    x = 97,418.43

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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.