Home / 102,271.53-141,134.86-56,958.24

Finding the Fourth Proportional to 102,271.53, 141,134.86 and 56,958.24

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Solution

The fourth proportional to 102,271.53, 141,134.86 and 56,958.24 is: 78,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,271.53 : 141,134.86 = 56,958.24 : x
  2. Step 2: Convert to fraction form
    102,271.53/141,134.86 = 56,958.24/x
  3. Step 3: Cross multiply
    102,271.53x = 141,134.86 × 56,958.24
  4. Step 4: Simplify right side
    102,271.53x = 8,038,793,228.25
  5. Step 5: Solve for x
    x = 8,038,793,228.25/102,271.53
  6. Step 6: Final answer
    x = 78,602.45

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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.