Home / 53,916.76-80,776.59-39,088.90

Finding the Fourth Proportional to 53,916.76, 80,776.59 and 39,088.90

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Solution

The fourth proportional to 53,916.76, 80,776.59 and 39,088.90 is: 58,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,916.76 : 80,776.59 = 39,088.90 : x
  2. Step 2: Convert to fraction form
    53,916.76/80,776.59 = 39,088.90/x
  3. Step 3: Cross multiply
    53,916.76x = 80,776.59 × 39,088.90
  4. Step 4: Simplify right side
    53,916.76x = 3,157,468,048.85
  5. Step 5: Solve for x
    x = 3,157,468,048.85/53,916.76
  6. Step 6: Final answer
    x = 58,561.90

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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.