Home / 91,054.56-136,624.08-38,476.32

Finding the Fourth Proportional to 91,054.56, 136,624.08 and 38,476.32

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Solution

The fourth proportional to 91,054.56, 136,624.08 and 38,476.32 is: 57,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,054.56 : 136,624.08 = 38,476.32 : x
  2. Step 2: Convert to fraction form
    91,054.56/136,624.08 = 38,476.32/x
  3. Step 3: Cross multiply
    91,054.56x = 136,624.08 × 38,476.32
  4. Step 4: Simplify right side
    91,054.56x = 5,256,791,821.79
  5. Step 5: Solve for x
    x = 5,256,791,821.79/91,054.56
  6. Step 6: Final answer
    x = 57,732.33

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1.5x scale

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.