Home / 48,421.40-72,437.70-41,919.80

Finding the Fourth Proportional to 48,421.40, 72,437.70 and 41,919.80

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Solution

The fourth proportional to 48,421.40, 72,437.70 and 41,919.80 is: 62,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.40 : 72,437.70 = 41,919.80 : x
  2. Step 2: Convert to fraction form
    48,421.40/72,437.70 = 41,919.80/x
  3. Step 3: Cross multiply
    48,421.40x = 72,437.70 × 41,919.80
  4. Step 4: Simplify right side
    48,421.40x = 3,036,573,896.46
  5. Step 5: Solve for x
    x = 3,036,573,896.46/48,421.40
  6. Step 6: Final answer
    x = 62,711.40

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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.