Home / 45,123.36-67,666.38-17,038.64

Finding the Fourth Proportional to 45,123.36, 67,666.38 and 17,038.64

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Solution

The fourth proportional to 45,123.36, 67,666.38 and 17,038.64 is: 25,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123.36 : 67,666.38 = 17,038.64 : x
  2. Step 2: Convert to fraction form
    45,123.36/67,666.38 = 17,038.64/x
  3. Step 3: Cross multiply
    45,123.36x = 67,666.38 × 17,038.64
  4. Step 4: Simplify right side
    45,123.36x = 1,152,943,088.92
  5. Step 5: Solve for x
    x = 1,152,943,088.92/45,123.36
  6. Step 6: Final answer
    x = 25,550.91

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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.