Home / 93,723.12-129,337.70-51,281.55

Finding the Fourth Proportional to 93,723.12, 129,337.70 and 51,281.55

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Solution

The fourth proportional to 93,723.12, 129,337.70 and 51,281.55 is: 70,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,723.12 : 129,337.70 = 51,281.55 : x
  2. Step 2: Convert to fraction form
    93,723.12/129,337.70 = 51,281.55/x
  3. Step 3: Cross multiply
    93,723.12x = 129,337.70 × 51,281.55
  4. Step 4: Simplify right side
    93,723.12x = 6,632,637,473.03
  5. Step 5: Solve for x
    x = 6,632,637,473.03/93,723.12
  6. Step 6: Final answer
    x = 70,768.42

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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.