Home / 91,905.60-137,858.40-52,466.70

Finding the Fourth Proportional to 91,905.60, 137,858.40 and 52,466.70

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Solution

The fourth proportional to 91,905.60, 137,858.40 and 52,466.70 is: 78,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,905.60 : 137,858.40 = 52,466.70 : x
  2. Step 2: Convert to fraction form
    91,905.60/137,858.40 = 52,466.70/x
  3. Step 3: Cross multiply
    91,905.60x = 137,858.40 × 52,466.70
  4. Step 4: Simplify right side
    91,905.60x = 7,232,975,315.28
  5. Step 5: Solve for x
    x = 7,232,975,315.28/91,905.60
  6. Step 6: Final answer
    x = 78,700.05

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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.