Home / 94,606.24-130,421-74,428.16

Finding the Fourth Proportional to 94,606.24, 130,421 and 74,428.16

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Solution

The fourth proportional to 94,606.24, 130,421 and 74,428.16 is: 102,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,606.24 : 130,421 = 74,428.16 : x
  2. Step 2: Convert to fraction form
    94,606.24/130,421 = 74,428.16/x
  3. Step 3: Cross multiply
    94,606.24x = 130,421 × 74,428.16
  4. Step 4: Simplify right side
    94,606.24x = 9,706,995,055.36
  5. Step 5: Solve for x
    x = 9,706,995,055.36/94,606.24
  6. Step 6: Final answer
    x = 102,604.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.