Home / 93,928.21-129,626.93-51,486.84

Finding the Fourth Proportional to 93,928.21, 129,626.93 and 51,486.84

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Solution

The fourth proportional to 93,928.21, 129,626.93 and 51,486.84 is: 71,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,928.21 : 129,626.93 = 51,486.84 : x
  2. Step 2: Convert to fraction form
    93,928.21/129,626.93 = 51,486.84/x
  3. Step 3: Cross multiply
    93,928.21x = 129,626.93 × 51,486.84
  4. Step 4: Simplify right side
    93,928.21x = 6,674,081,133.32
  5. Step 5: Solve for x
    x = 6,674,081,133.32/93,928.21
  6. Step 6: Final answer
    x = 71,055.13

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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.