Home / 55,547.52-76,655.61-30,397.02

Finding the Fourth Proportional to 55,547.52, 76,655.61 and 30,397.02

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Solution

The fourth proportional to 55,547.52, 76,655.61 and 30,397.02 is: 41,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,547.52 : 76,655.61 = 30,397.02 : x
  2. Step 2: Convert to fraction form
    55,547.52/76,655.61 = 30,397.02/x
  3. Step 3: Cross multiply
    55,547.52x = 76,655.61 × 30,397.02
  4. Step 4: Simplify right side
    55,547.52x = 2,330,102,110.28
  5. Step 5: Solve for x
    x = 2,330,102,110.28/55,547.52
  6. Step 6: Final answer
    x = 41,947.91

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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.