Home / 93,986.55-129,708.30-53,699.45

Finding the Fourth Proportional to 93,986.55, 129,708.30 and 53,699.45

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Solution

The fourth proportional to 93,986.55, 129,708.30 and 53,699.45 is: 74,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,986.55 : 129,708.30 = 53,699.45 : x
  2. Step 2: Convert to fraction form
    93,986.55/129,708.30 = 53,699.45/x
  3. Step 3: Cross multiply
    93,986.55x = 129,708.30 × 53,699.45
  4. Step 4: Simplify right side
    93,986.55x = 6,965,264,370.44
  5. Step 5: Solve for x
    x = 6,965,264,370.44/93,986.55
  6. Step 6: Final answer
    x = 74,109.16

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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.