Home / 48,112.61-72,160.40-13,055.00

Finding the Fourth Proportional to 48,112.61, 72,160.40 and 13,055.00

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Solution

The fourth proportional to 48,112.61, 72,160.40 and 13,055.00 is: 19,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,112.61 : 72,160.40 = 13,055.00 : x
  2. Step 2: Convert to fraction form
    48,112.61/72,160.40 = 13,055.00/x
  3. Step 3: Cross multiply
    48,112.61x = 72,160.40 × 13,055.00
  4. Step 4: Simplify right side
    48,112.61x = 942,053,693.84
  5. Step 5: Solve for x
    x = 942,053,693.84/48,112.61
  6. Step 6: Final answer
    x = 19,580.18

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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.