Home / 77,429.16-106,884.90-52,312.68

Finding the Fourth Proportional to 77,429.16, 106,884.90 and 52,312.68

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Solution

The fourth proportional to 77,429.16, 106,884.90 and 52,312.68 is: 72,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,429.16 : 106,884.90 = 52,312.68 : x
  2. Step 2: Convert to fraction form
    77,429.16/106,884.90 = 52,312.68/x
  3. Step 3: Cross multiply
    77,429.16x = 106,884.90 × 52,312.68
  4. Step 4: Simplify right side
    77,429.16x = 5,591,435,570.53
  5. Step 5: Solve for x
    x = 5,591,435,570.53/77,429.16
  6. Step 6: Final answer
    x = 72,213.56

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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.