Home / 86,710.24-130,056.03-58,809.40

Finding the Fourth Proportional to 86,710.24, 130,056.03 and 58,809.40

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Solution

The fourth proportional to 86,710.24, 130,056.03 and 58,809.40 is: 88,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.24 : 130,056.03 = 58,809.40 : x
  2. Step 2: Convert to fraction form
    86,710.24/130,056.03 = 58,809.40/x
  3. Step 3: Cross multiply
    86,710.24x = 130,056.03 × 58,809.40
  4. Step 4: Simplify right side
    86,710.24x = 7,648,517,090.68
  5. Step 5: Solve for x
    x = 7,648,517,090.68/86,710.24
  6. Step 6: Final answer
    x = 88,207.77

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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.