Home / 72,433.47-99,903.26-63,465.38

Finding the Fourth Proportional to 72,433.47, 99,903.26 and 63,465.38

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Solution

The fourth proportional to 72,433.47, 99,903.26 and 63,465.38 is: 87,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433.47 : 99,903.26 = 63,465.38 : x
  2. Step 2: Convert to fraction form
    72,433.47/99,903.26 = 63,465.38/x
  3. Step 3: Cross multiply
    72,433.47x = 99,903.26 × 63,465.38
  4. Step 4: Simplify right side
    72,433.47x = 6,340,398,018.29
  5. Step 5: Solve for x
    x = 6,340,398,018.29/72,433.47
  6. Step 6: Final answer
    x = 87,534.09

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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.