Home / 97,318.86-134,300.04-54,877.40

Finding the Fourth Proportional to 97,318.86, 134,300.04 and 54,877.40

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Solution

The fourth proportional to 97,318.86, 134,300.04 and 54,877.40 is: 75,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,318.86 : 134,300.04 = 54,877.40 : x
  2. Step 2: Convert to fraction form
    97,318.86/134,300.04 = 54,877.40/x
  3. Step 3: Cross multiply
    97,318.86x = 134,300.04 × 54,877.40
  4. Step 4: Simplify right side
    97,318.86x = 7,370,037,015.10
  5. Step 5: Solve for x
    x = 7,370,037,015.10/97,318.86
  6. Step 6: Final answer
    x = 75,730.82

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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.