Home / 94,787.07-130,746.08-72,076.27

Finding the Fourth Proportional to 94,787.07, 130,746.08 and 72,076.27

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Solution

The fourth proportional to 94,787.07, 130,746.08 and 72,076.27 is: 99,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,787.07 : 130,746.08 = 72,076.27 : x
  2. Step 2: Convert to fraction form
    94,787.07/130,746.08 = 72,076.27/x
  3. Step 3: Cross multiply
    94,787.07x = 130,746.08 × 72,076.27
  4. Step 4: Simplify right side
    94,787.07x = 9,423,690,090.39
  5. Step 5: Solve for x
    x = 9,423,690,090.39/94,787.07
  6. Step 6: Final answer
    x = 99,419.57

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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.