Home / 58,047.68-87,071.48-38,321.60

Finding the Fourth Proportional to 58,047.68, 87,071.48 and 38,321.60

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Solution

The fourth proportional to 58,047.68, 87,071.48 and 38,321.60 is: 57,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,047.68 : 87,071.48 = 38,321.60 : x
  2. Step 2: Convert to fraction form
    58,047.68/87,071.48 = 38,321.60/x
  3. Step 3: Cross multiply
    58,047.68x = 87,071.48 × 38,321.60
  4. Step 4: Simplify right side
    58,047.68x = 3,336,718,427.97
  5. Step 5: Solve for x
    x = 3,336,718,427.97/58,047.68
  6. Step 6: Final answer
    x = 57,482.37

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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.