Home / 118,641.24-163,709.10-68,330.52

Finding the Fourth Proportional to 118,641.24, 163,709.10 and 68,330.52

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Solution

The fourth proportional to 118,641.24, 163,709.10 and 68,330.52 is: 94,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,641.24 : 163,709.10 = 68,330.52 : x
  2. Step 2: Convert to fraction form
    118,641.24/163,709.10 = 68,330.52/x
  3. Step 3: Cross multiply
    118,641.24x = 163,709.10 × 68,330.52
  4. Step 4: Simplify right side
    118,641.24x = 11,186,327,931.73
  5. Step 5: Solve for x
    x = 11,186,327,931.73/118,641.24
  6. Step 6: Final answer
    x = 94,287.01

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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.