Home / 93,132.32-128,522.50-50,690.75

Finding the Fourth Proportional to 93,132.32, 128,522.50 and 50,690.75

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Solution

The fourth proportional to 93,132.32, 128,522.50 and 50,690.75 is: 69,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,132.32 : 128,522.50 = 50,690.75 : x
  2. Step 2: Convert to fraction form
    93,132.32/128,522.50 = 50,690.75/x
  3. Step 3: Cross multiply
    93,132.32x = 128,522.50 × 50,690.75
  4. Step 4: Simplify right side
    93,132.32x = 6,514,901,147.54
  5. Step 5: Solve for x
    x = 6,514,901,147.54/93,132.32
  6. Step 6: Final answer
    x = 69,953.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.