Home / 45,123.48-67,657.68-15,533.10

Finding the Fourth Proportional to 45,123.48, 67,657.68 and 15,533.10

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Solution

The fourth proportional to 45,123.48, 67,657.68 and 15,533.10 is: 23,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123.48 : 67,657.68 = 15,533.10 : x
  2. Step 2: Convert to fraction form
    45,123.48/67,657.68 = 15,533.10/x
  3. Step 3: Cross multiply
    45,123.48x = 67,657.68 × 15,533.10
  4. Step 4: Simplify right side
    45,123.48x = 1,050,933,509.21
  5. Step 5: Solve for x
    x = 1,050,933,509.21/45,123.48
  6. Step 6: Final answer
    x = 23,290.17

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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.