Home / 86,705.01-130,055.58-39,957.93

Finding the Fourth Proportional to 86,705.01, 130,055.58 and 39,957.93

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Solution

The fourth proportional to 86,705.01, 130,055.58 and 39,957.93 is: 59,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,705.01 : 130,055.58 = 39,957.93 : x
  2. Step 2: Convert to fraction form
    86,705.01/130,055.58 = 39,957.93/x
  3. Step 3: Cross multiply
    86,705.01x = 130,055.58 × 39,957.93
  4. Step 4: Simplify right side
    86,705.01x = 5,196,751,761.75
  5. Step 5: Solve for x
    x = 5,196,751,761.75/86,705.01
  6. Step 6: Final answer
    x = 59,936.00

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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.