Home / 60,570.48-90,875.16-18,458.80

Finding the Fourth Proportional to 60,570.48, 90,875.16 and 18,458.80

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Solution

The fourth proportional to 60,570.48, 90,875.16 and 18,458.80 is: 27,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,570.48 : 90,875.16 = 18,458.80 : x
  2. Step 2: Convert to fraction form
    60,570.48/90,875.16 = 18,458.80/x
  3. Step 3: Cross multiply
    60,570.48x = 90,875.16 × 18,458.80
  4. Step 4: Simplify right side
    60,570.48x = 1,677,446,403.41
  5. Step 5: Solve for x
    x = 1,677,446,403.41/60,570.48
  6. Step 6: Final answer
    x = 27,694.12

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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.