Home / 77,719.80-116,579.70-59,057.40

Finding the Fourth Proportional to 77,719.80, 116,579.70 and 59,057.40

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Solution

The fourth proportional to 77,719.80, 116,579.70 and 59,057.40 is: 88,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,719.80 : 116,579.70 = 59,057.40 : x
  2. Step 2: Convert to fraction form
    77,719.80/116,579.70 = 59,057.40/x
  3. Step 3: Cross multiply
    77,719.80x = 116,579.70 × 59,057.40
  4. Step 4: Simplify right side
    77,719.80x = 6,884,893,974.78
  5. Step 5: Solve for x
    x = 6,884,893,974.78/77,719.80
  6. Step 6: Final answer
    x = 88,586.10

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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.