Home / 93,986.68-129,689.64-53,703.04

Finding the Fourth Proportional to 93,986.68, 129,689.64 and 53,703.04

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Solution

The fourth proportional to 93,986.68, 129,689.64 and 53,703.04 is: 74,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,986.68 : 129,689.64 = 53,703.04 : x
  2. Step 2: Convert to fraction form
    93,986.68/129,689.64 = 53,703.04/x
  3. Step 3: Cross multiply
    93,986.68x = 129,689.64 × 53,703.04
  4. Step 4: Simplify right side
    93,986.68x = 6,964,727,924.51
  5. Step 5: Solve for x
    x = 6,964,727,924.51/93,986.68
  6. Step 6: Final answer
    x = 74,103.35

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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.