Home / 86,712.24-130,059.02-58,811.40

Finding the Fourth Proportional to 86,712.24, 130,059.02 and 58,811.40

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Solution

The fourth proportional to 86,712.24, 130,059.02 and 58,811.40 is: 88,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,712.24 : 130,059.02 = 58,811.40 : x
  2. Step 2: Convert to fraction form
    86,712.24/130,059.02 = 58,811.40/x
  3. Step 3: Cross multiply
    86,712.24x = 130,059.02 × 58,811.40
  4. Step 4: Simplify right side
    86,712.24x = 7,648,953,048.83
  5. Step 5: Solve for x
    x = 7,648,953,048.83/86,712.24
  6. Step 6: Final answer
    x = 88,210.77

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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.