Home / 91,685.12-137,527.67-25,125.59

Finding the Fourth Proportional to 91,685.12, 137,527.67 and 25,125.59

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Solution

The fourth proportional to 91,685.12, 137,527.67 and 25,125.59 is: 37,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,685.12 : 137,527.67 = 25,125.59 : x
  2. Step 2: Convert to fraction form
    91,685.12/137,527.67 = 25,125.59/x
  3. Step 3: Cross multiply
    91,685.12x = 137,527.67 × 25,125.59
  4. Step 4: Simplify right side
    91,685.12x = 3,455,464,256.71
  5. Step 5: Solve for x
    x = 3,455,464,256.71/91,685.12
  6. Step 6: Final answer
    x = 37,688.39

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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.