Home / 93,132.26-128,525.30-57,342.92

Finding the Fourth Proportional to 93,132.26, 128,525.30 and 57,342.92

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Solution

The fourth proportional to 93,132.26, 128,525.30 and 57,342.92 is: 79,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,132.26 : 128,525.30 = 57,342.92 : x
  2. Step 2: Convert to fraction form
    93,132.26/128,525.30 = 57,342.92/x
  3. Step 3: Cross multiply
    93,132.26x = 128,525.30 × 57,342.92
  4. Step 4: Simplify right side
    93,132.26x = 7,370,015,066.53
  5. Step 5: Solve for x
    x = 7,370,015,066.53/93,132.26
  6. Step 6: Final answer
    x = 79,134.94

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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.