Home / 112,548.58-155,299.80-64,792.70

Finding the Fourth Proportional to 112,548.58, 155,299.80 and 64,792.70

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Solution

The fourth proportional to 112,548.58, 155,299.80 and 64,792.70 is: 89,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,548.58 : 155,299.80 = 64,792.70 : x
  2. Step 2: Convert to fraction form
    112,548.58/155,299.80 = 64,792.70/x
  3. Step 3: Cross multiply
    112,548.58x = 155,299.80 × 64,792.70
  4. Step 4: Simplify right side
    112,548.58x = 10,062,293,351.46
  5. Step 5: Solve for x
    x = 10,062,293,351.46/112,548.58
  6. Step 6: Final answer
    x = 89,404.00

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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.