Home / 93,563.04-129,080.28-57,690.75

Finding the Fourth Proportional to 93,563.04, 129,080.28 and 57,690.75

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Solution

The fourth proportional to 93,563.04, 129,080.28 and 57,690.75 is: 79,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,563.04 : 129,080.28 = 57,690.75 : x
  2. Step 2: Convert to fraction form
    93,563.04/129,080.28 = 57,690.75/x
  3. Step 3: Cross multiply
    93,563.04x = 129,080.28 × 57,690.75
  4. Step 4: Simplify right side
    93,563.04x = 7,446,738,163.41
  5. Step 5: Solve for x
    x = 7,446,738,163.41/93,563.04
  6. Step 6: Final answer
    x = 79,590.60

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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.