Home / 78,037.73-117,071.36-24,743.14

Finding the Fourth Proportional to 78,037.73, 117,071.36 and 24,743.14

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Solution

The fourth proportional to 78,037.73, 117,071.36 and 24,743.14 is: 37,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,037.73 : 117,071.36 = 24,743.14 : x
  2. Step 2: Convert to fraction form
    78,037.73/117,071.36 = 24,743.14/x
  3. Step 3: Cross multiply
    78,037.73x = 117,071.36 × 24,743.14
  4. Step 4: Simplify right side
    78,037.73x = 2,896,712,526.97
  5. Step 5: Solve for x
    x = 2,896,712,526.97/78,037.73
  6. Step 6: Final answer
    x = 37,119.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.