Home / 103,428.88-155,094.10-47,252.36

Finding the Fourth Proportional to 103,428.88, 155,094.10 and 47,252.36

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Solution

The fourth proportional to 103,428.88, 155,094.10 and 47,252.36 is: 70,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,428.88 : 155,094.10 = 47,252.36 : x
  2. Step 2: Convert to fraction form
    103,428.88/155,094.10 = 47,252.36/x
  3. Step 3: Cross multiply
    103,428.88x = 155,094.10 × 47,252.36
  4. Step 4: Simplify right side
    103,428.88x = 7,328,562,247.08
  5. Step 5: Solve for x
    x = 7,328,562,247.08/103,428.88
  6. Step 6: Final answer
    x = 70,856.05

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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.