Home / 48,210.70-72,316.05-13,150.30

Finding the Fourth Proportional to 48,210.70, 72,316.05 and 13,150.30

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Solution

The fourth proportional to 48,210.70, 72,316.05 and 13,150.30 is: 19,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,210.70 : 72,316.05 = 13,150.30 : x
  2. Step 2: Convert to fraction form
    48,210.70/72,316.05 = 13,150.30/x
  3. Step 3: Cross multiply
    48,210.70x = 72,316.05 × 13,150.30
  4. Step 4: Simplify right side
    48,210.70x = 950,977,752.32
  5. Step 5: Solve for x
    x = 950,977,752.32/48,210.70
  6. Step 6: Final answer
    x = 19,725.45

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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.