Home / 88,941.04-122,840.65-64,849.61

Finding the Fourth Proportional to 88,941.04, 122,840.65 and 64,849.61

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Solution

The fourth proportional to 88,941.04, 122,840.65 and 64,849.61 is: 89,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,941.04 : 122,840.65 = 64,849.61 : x
  2. Step 2: Convert to fraction form
    88,941.04/122,840.65 = 64,849.61/x
  3. Step 3: Cross multiply
    88,941.04x = 122,840.65 × 64,849.61
  4. Step 4: Simplify right side
    88,941.04x = 7,966,168,632.81
  5. Step 5: Solve for x
    x = 7,966,168,632.81/88,941.04
  6. Step 6: Final answer
    x = 89,566.85

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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.