Home / 77,392.18-116,088.29-51,090.77

Finding the Fourth Proportional to 77,392.18, 116,088.29 and 51,090.77

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Solution

The fourth proportional to 77,392.18, 116,088.29 and 51,090.77 is: 76,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392.18 : 116,088.29 = 51,090.77 : x
  2. Step 2: Convert to fraction form
    77,392.18/116,088.29 = 51,090.77/x
  3. Step 3: Cross multiply
    77,392.18x = 116,088.29 × 51,090.77
  4. Step 4: Simplify right side
    77,392.18x = 5,931,040,542.03
  5. Step 5: Solve for x
    x = 5,931,040,542.03/77,392.18
  6. Step 6: Final answer
    x = 76,636.18

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1.5x scale

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.