Home / 93,582.60-129,147.18-51,143.88

Finding the Fourth Proportional to 93,582.60, 129,147.18 and 51,143.88

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Solution

The fourth proportional to 93,582.60, 129,147.18 and 51,143.88 is: 70,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,582.60 : 129,147.18 = 51,143.88 : x
  2. Step 2: Convert to fraction form
    93,582.60/129,147.18 = 51,143.88/x
  3. Step 3: Cross multiply
    93,582.60x = 129,147.18 × 51,143.88
  4. Step 4: Simplify right side
    93,582.60x = 6,605,087,876.26
  5. Step 5: Solve for x
    x = 6,605,087,876.26/93,582.60
  6. Step 6: Final answer
    x = 70,580.30

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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.