Home / 93,030.12-128,381.22-50,590.44

Finding the Fourth Proportional to 93,030.12, 128,381.22 and 50,590.44

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Solution

The fourth proportional to 93,030.12, 128,381.22 and 50,590.44 is: 69,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,030.12 : 128,381.22 = 50,590.44 : x
  2. Step 2: Convert to fraction form
    93,030.12/128,381.22 = 50,590.44/x
  3. Step 3: Cross multiply
    93,030.12x = 128,381.22 × 50,590.44
  4. Step 4: Simplify right side
    93,030.12x = 6,494,862,407.54
  5. Step 5: Solve for x
    x = 6,494,862,407.54/93,030.12
  6. Step 6: Final answer
    x = 69,814.62

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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.