Home / 118,941.71-178,419.76-47,864.07

Finding the Fourth Proportional to 118,941.71, 178,419.76 and 47,864.07

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Solution

The fourth proportional to 118,941.71, 178,419.76 and 47,864.07 is: 71,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,941.71 : 178,419.76 = 47,864.07 : x
  2. Step 2: Convert to fraction form
    118,941.71/178,419.76 = 47,864.07/x
  3. Step 3: Cross multiply
    118,941.71x = 178,419.76 × 47,864.07
  4. Step 4: Simplify right side
    118,941.71x = 8,539,896,061.51
  5. Step 5: Solve for x
    x = 8,539,896,061.51/118,941.71
  6. Step 6: Final answer
    x = 71,799.00

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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.