Home / 103,037.84-142,170.36-60,580.88

Finding the Fourth Proportional to 103,037.84, 142,170.36 and 60,580.88

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Solution

The fourth proportional to 103,037.84, 142,170.36 and 60,580.88 is: 83,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,037.84 : 142,170.36 = 60,580.88 : x
  2. Step 2: Convert to fraction form
    103,037.84/142,170.36 = 60,580.88/x
  3. Step 3: Cross multiply
    103,037.84x = 142,170.36 × 60,580.88
  4. Step 4: Simplify right side
    103,037.84x = 8,612,805,518.72
  5. Step 5: Solve for x
    x = 8,612,805,518.72/103,037.84
  6. Step 6: Final answer
    x = 83,588.76

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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.