Home / 74,762.22-112,124.19-22,159.40

Finding the Fourth Proportional to 74,762.22, 112,124.19 and 22,159.40

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Solution

The fourth proportional to 74,762.22, 112,124.19 and 22,159.40 is: 33,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,762.22 : 112,124.19 = 22,159.40 : x
  2. Step 2: Convert to fraction form
    74,762.22/112,124.19 = 22,159.40/x
  3. Step 3: Cross multiply
    74,762.22x = 112,124.19 × 22,159.40
  4. Step 4: Simplify right side
    74,762.22x = 2,484,604,457.90
  5. Step 5: Solve for x
    x = 2,484,604,457.90/74,762.22
  6. Step 6: Final answer
    x = 33,233.42

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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.