Home / 98,628.96-136,133.28-60,881.52

Finding the Fourth Proportional to 98,628.96, 136,133.28 and 60,881.52

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Solution

The fourth proportional to 98,628.96, 136,133.28 and 60,881.52 is: 84,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,628.96 : 136,133.28 = 60,881.52 : x
  2. Step 2: Convert to fraction form
    98,628.96/136,133.28 = 60,881.52/x
  3. Step 3: Cross multiply
    98,628.96x = 136,133.28 × 60,881.52
  4. Step 4: Simplify right side
    98,628.96x = 8,288,001,008.99
  5. Step 5: Solve for x
    x = 8,288,001,008.99/98,628.96
  6. Step 6: Final answer
    x = 84,032.12

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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.