Home / 93,131.92-128,522.02-50,690.75

Finding the Fourth Proportional to 93,131.92, 128,522.02 and 50,690.75

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Solution

The fourth proportional to 93,131.92, 128,522.02 and 50,690.75 is: 69,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,131.92 : 128,522.02 = 50,690.75 : x
  2. Step 2: Convert to fraction form
    93,131.92/128,522.02 = 50,690.75/x
  3. Step 3: Cross multiply
    93,131.92x = 128,522.02 × 50,690.75
  4. Step 4: Simplify right side
    93,131.92x = 6,514,877,585.32
  5. Step 5: Solve for x
    x = 6,514,877,585.32/93,131.92
  6. Step 6: Final answer
    x = 69,953.22

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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.