Home / 97,547.68-134,616.09-55,105.30

Finding the Fourth Proportional to 97,547.68, 134,616.09 and 55,105.30

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Solution

The fourth proportional to 97,547.68, 134,616.09 and 55,105.30 is: 76,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,547.68 : 134,616.09 = 55,105.30 : x
  2. Step 2: Convert to fraction form
    97,547.68/134,616.09 = 55,105.30/x
  3. Step 3: Cross multiply
    97,547.68x = 134,616.09 × 55,105.30
  4. Step 4: Simplify right side
    97,547.68x = 7,418,060,024.28
  5. Step 5: Solve for x
    x = 7,418,060,024.28/97,547.68
  6. Step 6: Final answer
    x = 76,045.48

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1.5x scale

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.