Home / 72,500.10-100,004.07-52,386.51

Finding the Fourth Proportional to 72,500.10, 100,004.07 and 52,386.51

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Solution

The fourth proportional to 72,500.10, 100,004.07 and 52,386.51 is: 72,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,500.10 : 100,004.07 = 52,386.51 : x
  2. Step 2: Convert to fraction form
    72,500.10/100,004.07 = 52,386.51/x
  3. Step 3: Cross multiply
    72,500.10x = 100,004.07 × 52,386.51
  4. Step 4: Simplify right side
    72,500.10x = 5,238,864,213.10
  5. Step 5: Solve for x
    x = 5,238,864,213.10/72,500.10
  6. Step 6: Final answer
    x = 72,260.10

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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.