Home / 99,032.68-148,547.27-91,318.79

Finding the Fourth Proportional to 99,032.68, 148,547.27 and 91,318.79

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Solution

The fourth proportional to 99,032.68, 148,547.27 and 91,318.79 is: 136,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.68 : 148,547.27 = 91,318.79 : x
  2. Step 2: Convert to fraction form
    99,032.68/148,547.27 = 91,318.79/x
  3. Step 3: Cross multiply
    99,032.68x = 148,547.27 × 91,318.79
  4. Step 4: Simplify right side
    99,032.68x = 13,565,157,040.20
  5. Step 5: Solve for x
    x = 13,565,157,040.20/99,032.68
  6. Step 6: Final answer
    x = 136,976.58

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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.