Home / 89,085.64-133,319.04-55,337.80

Finding the Fourth Proportional to 89,085.64, 133,319.04 and 55,337.80

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Solution

The fourth proportional to 89,085.64, 133,319.04 and 55,337.80 is: 82,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,085.64 : 133,319.04 = 55,337.80 : x
  2. Step 2: Convert to fraction form
    89,085.64/133,319.04 = 55,337.80/x
  3. Step 3: Cross multiply
    89,085.64x = 133,319.04 × 55,337.80
  4. Step 4: Simplify right side
    89,085.64x = 7,377,582,371.71
  5. Step 5: Solve for x
    x = 7,377,582,371.71/89,085.64
  6. Step 6: Final answer
    x = 82,814.50

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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.