Home / 127,391.74-191,088.06-38,646.01

Finding the Fourth Proportional to 127,391.74, 191,088.06 and 38,646.01

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Solution

The fourth proportional to 127,391.74, 191,088.06 and 38,646.01 is: 57,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,391.74 : 191,088.06 = 38,646.01 : x
  2. Step 2: Convert to fraction form
    127,391.74/191,088.06 = 38,646.01/x
  3. Step 3: Cross multiply
    127,391.74x = 191,088.06 × 38,646.01
  4. Step 4: Simplify right side
    127,391.74x = 7,384,791,388.96
  5. Step 5: Solve for x
    x = 7,384,791,388.96/127,391.74
  6. Step 6: Final answer
    x = 57,969.16

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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.