Home / 97,242.86-145,864.31-30,688.17

Finding the Fourth Proportional to 97,242.86, 145,864.31 and 30,688.17

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Solution

The fourth proportional to 97,242.86, 145,864.31 and 30,688.17 is: 46,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,242.86 : 145,864.31 = 30,688.17 : x
  2. Step 2: Convert to fraction form
    97,242.86/145,864.31 = 30,688.17/x
  3. Step 3: Cross multiply
    97,242.86x = 145,864.31 × 30,688.17
  4. Step 4: Simplify right side
    97,242.86x = 4,476,308,742.21
  5. Step 5: Solve for x
    x = 4,476,308,742.21/97,242.86
  6. Step 6: Final answer
    x = 46,032.26

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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.