Home / 98,579.49-147,881.51-38,600.21

Finding the Fourth Proportional to 98,579.49, 147,881.51 and 38,600.21

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Solution

The fourth proportional to 98,579.49, 147,881.51 and 38,600.21 is: 57,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,579.49 : 147,881.51 = 38,600.21 : x
  2. Step 2: Convert to fraction form
    98,579.49/147,881.51 = 38,600.21/x
  3. Step 3: Cross multiply
    98,579.49x = 147,881.51 × 38,600.21
  4. Step 4: Simplify right side
    98,579.49x = 5,708,257,341.12
  5. Step 5: Solve for x
    x = 5,708,257,341.12/98,579.49
  6. Step 6: Final answer
    x = 57,905.12

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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.