Home / 86,955.75-130,471.16-46,966.79

Finding the Fourth Proportional to 86,955.75, 130,471.16 and 46,966.79

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Solution

The fourth proportional to 86,955.75, 130,471.16 and 46,966.79 is: 70,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,955.75 : 130,471.16 = 46,966.79 : x
  2. Step 2: Convert to fraction form
    86,955.75/130,471.16 = 46,966.79/x
  3. Step 3: Cross multiply
    86,955.75x = 130,471.16 × 46,966.79
  4. Step 4: Simplify right side
    86,955.75x = 6,127,811,664.12
  5. Step 5: Solve for x
    x = 6,127,811,664.12/86,955.75
  6. Step 6: Final answer
    x = 70,470.46

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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.