Home / 98,988.96-136,605.78-53,667.03

Finding the Fourth Proportional to 98,988.96, 136,605.78 and 53,667.03

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Solution

The fourth proportional to 98,988.96, 136,605.78 and 53,667.03 is: 74,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,988.96 : 136,605.78 = 53,667.03 : x
  2. Step 2: Convert to fraction form
    98,988.96/136,605.78 = 53,667.03/x
  3. Step 3: Cross multiply
    98,988.96x = 136,605.78 × 53,667.03
  4. Step 4: Simplify right side
    98,988.96x = 7,331,226,493.43
  5. Step 5: Solve for x
    x = 7,331,226,493.43/98,988.96
  6. Step 6: Final answer
    x = 74,061.05

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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.