Home / 48,090.06-72,129.51-13,032.36

Finding the Fourth Proportional to 48,090.06, 72,129.51 and 13,032.36

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Solution

The fourth proportional to 48,090.06, 72,129.51 and 13,032.36 is: 19,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,090.06 : 72,129.51 = 13,032.36 : x
  2. Step 2: Convert to fraction form
    48,090.06/72,129.51 = 13,032.36/x
  3. Step 3: Cross multiply
    48,090.06x = 72,129.51 × 13,032.36
  4. Step 4: Simplify right side
    48,090.06x = 940,017,740.94
  5. Step 5: Solve for x
    x = 940,017,740.94/48,090.06
  6. Step 6: Final answer
    x = 19,547.03

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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.