Home / 93,777.14-129,412.67-51,338.40

Finding the Fourth Proportional to 93,777.14, 129,412.67 and 51,338.40

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Solution

The fourth proportional to 93,777.14, 129,412.67 and 51,338.40 is: 70,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,777.14 : 129,412.67 = 51,338.40 : x
  2. Step 2: Convert to fraction form
    93,777.14/129,412.67 = 51,338.40/x
  3. Step 3: Cross multiply
    93,777.14x = 129,412.67 × 51,338.40
  4. Step 4: Simplify right side
    93,777.14x = 6,643,839,160.84
  5. Step 5: Solve for x
    x = 6,643,839,160.84/93,777.14
  6. Step 6: Final answer
    x = 70,847.11

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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.