Home / 91,412.37-137,063.07-59,784.21

Finding the Fourth Proportional to 91,412.37, 137,063.07 and 59,784.21

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Solution

The fourth proportional to 91,412.37, 137,063.07 and 59,784.21 is: 89,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,412.37 : 137,063.07 = 59,784.21 : x
  2. Step 2: Convert to fraction form
    91,412.37/137,063.07 = 59,784.21/x
  3. Step 3: Cross multiply
    91,412.37x = 137,063.07 × 59,784.21
  4. Step 4: Simplify right side
    91,412.37x = 8,194,207,360.12
  5. Step 5: Solve for x
    x = 8,194,207,360.12/91,412.37
  6. Step 6: Final answer
    x = 89,640.03

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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.