Home / 91,733.40-137,729.70-56,741.40

Finding the Fourth Proportional to 91,733.40, 137,729.70 and 56,741.40

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Solution

The fourth proportional to 91,733.40, 137,729.70 and 56,741.40 is: 85,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,733.40 : 137,729.70 = 56,741.40 : x
  2. Step 2: Convert to fraction form
    91,733.40/137,729.70 = 56,741.40/x
  3. Step 3: Cross multiply
    91,733.40x = 137,729.70 × 56,741.40
  4. Step 4: Simplify right side
    91,733.40x = 7,814,975,999.58
  5. Step 5: Solve for x
    x = 7,814,975,999.58/91,733.40
  6. Step 6: Final answer
    x = 85,192.26

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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.