Home / 102,549.08-153,822.66-32,428.40

Finding the Fourth Proportional to 102,549.08, 153,822.66 and 32,428.40

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Solution

The fourth proportional to 102,549.08, 153,822.66 and 32,428.40 is: 48,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,549.08 : 153,822.66 = 32,428.40 : x
  2. Step 2: Convert to fraction form
    102,549.08/153,822.66 = 32,428.40/x
  3. Step 3: Cross multiply
    102,549.08x = 153,822.66 × 32,428.40
  4. Step 4: Simplify right side
    102,549.08x = 4,988,222,747.54
  5. Step 5: Solve for x
    x = 4,988,222,747.54/102,549.08
  6. Step 6: Final answer
    x = 48,642.30

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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.