Home / 58,779.54-81,117.36-34,582.20

Finding the Fourth Proportional to 58,779.54, 81,117.36 and 34,582.20

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Solution

The fourth proportional to 58,779.54, 81,117.36 and 34,582.20 is: 47,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,779.54 : 81,117.36 = 34,582.20 : x
  2. Step 2: Convert to fraction form
    58,779.54/81,117.36 = 34,582.20/x
  3. Step 3: Cross multiply
    58,779.54x = 81,117.36 × 34,582.20
  4. Step 4: Simplify right side
    58,779.54x = 2,805,216,766.99
  5. Step 5: Solve for x
    x = 2,805,216,766.99/58,779.54
  6. Step 6: Final answer
    x = 47,724.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.