Home / 60,877.20-91,315.80-37,427.60

Finding the Fourth Proportional to 60,877.20, 91,315.80 and 37,427.60

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Solution

The fourth proportional to 60,877.20, 91,315.80 and 37,427.60 is: 56,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,877.20 : 91,315.80 = 37,427.60 : x
  2. Step 2: Convert to fraction form
    60,877.20/91,315.80 = 37,427.60/x
  3. Step 3: Cross multiply
    60,877.20x = 91,315.80 × 37,427.60
  4. Step 4: Simplify right side
    60,877.20x = 3,417,731,236.08
  5. Step 5: Solve for x
    x = 3,417,731,236.08/60,877.20
  6. Step 6: Final answer
    x = 56,141.40

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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.