Home / 84,591.18-116,683.02-54,415.86

Finding the Fourth Proportional to 84,591.18, 116,683.02 and 54,415.86

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Solution

The fourth proportional to 84,591.18, 116,683.02 and 54,415.86 is: 75,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,591.18 : 116,683.02 = 54,415.86 : x
  2. Step 2: Convert to fraction form
    84,591.18/116,683.02 = 54,415.86/x
  3. Step 3: Cross multiply
    84,591.18x = 116,683.02 × 54,415.86
  4. Step 4: Simplify right side
    84,591.18x = 6,349,406,880.70
  5. Step 5: Solve for x
    x = 6,349,406,880.70/84,591.18
  6. Step 6: Final answer
    x = 75,059.92

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1.5x scale

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.