Home / 93,158.09-128,536.30-52,862.75

Finding the Fourth Proportional to 93,158.09, 128,536.30 and 52,862.75

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Solution

The fourth proportional to 93,158.09, 128,536.30 and 52,862.75 is: 72,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,158.09 : 128,536.30 = 52,862.75 : x
  2. Step 2: Convert to fraction form
    93,158.09/128,536.30 = 52,862.75/x
  3. Step 3: Cross multiply
    93,158.09x = 128,536.30 × 52,862.75
  4. Step 4: Simplify right side
    93,158.09x = 6,794,782,292.83
  5. Step 5: Solve for x
    x = 6,794,782,292.83/93,158.09
  6. Step 6: Final answer
    x = 72,938.19

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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.