Home / 77,432.68-116,070.60-52,475.26

Finding the Fourth Proportional to 77,432.68, 116,070.60 and 52,475.26

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Solution

The fourth proportional to 77,432.68, 116,070.60 and 52,475.26 is: 78,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.68 : 116,070.60 = 52,475.26 : x
  2. Step 2: Convert to fraction form
    77,432.68/116,070.60 = 52,475.26/x
  3. Step 3: Cross multiply
    77,432.68x = 116,070.60 × 52,475.26
  4. Step 4: Simplify right side
    77,432.68x = 6,090,834,913.36
  5. Step 5: Solve for x
    x = 6,090,834,913.36/77,432.68
  6. Step 6: Final answer
    x = 78,659.75

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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.