Home / 93,005.74-128,357.96-52,715.19

Finding the Fourth Proportional to 93,005.74, 128,357.96 and 52,715.19

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Solution

The fourth proportional to 93,005.74, 128,357.96 and 52,715.19 is: 72,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,005.74 : 128,357.96 = 52,715.19 : x
  2. Step 2: Convert to fraction form
    93,005.74/128,357.96 = 52,715.19/x
  3. Step 3: Cross multiply
    93,005.74x = 128,357.96 × 52,715.19
  4. Step 4: Simplify right side
    93,005.74x = 6,766,414,249.41
  5. Step 5: Solve for x
    x = 6,766,414,249.41/93,005.74
  6. Step 6: Final answer
    x = 72,752.65

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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.