Home / 61,118.40-91,259.46-54,752.16

Finding the Fourth Proportional to 61,118.40, 91,259.46 and 54,752.16

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Solution

The fourth proportional to 61,118.40, 91,259.46 and 54,752.16 is: 81,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,118.40 : 91,259.46 = 54,752.16 : x
  2. Step 2: Convert to fraction form
    61,118.40/91,259.46 = 54,752.16/x
  3. Step 3: Cross multiply
    61,118.40x = 91,259.46 × 54,752.16
  4. Step 4: Simplify right side
    61,118.40x = 4,996,652,555.43
  5. Step 5: Solve for x
    x = 4,996,652,555.43/61,118.40
  6. Step 6: Final answer
    x = 81,753.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.