Home / 92,858.33-128,143.24-52,571.05

Finding the Fourth Proportional to 92,858.33, 128,143.24 and 52,571.05

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Solution

The fourth proportional to 92,858.33, 128,143.24 and 52,571.05 is: 72,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,858.33 : 128,143.24 = 52,571.05 : x
  2. Step 2: Convert to fraction form
    92,858.33/128,143.24 = 52,571.05/x
  3. Step 3: Cross multiply
    92,858.33x = 128,143.24 × 52,571.05
  4. Step 4: Simplify right side
    92,858.33x = 6,736,624,225.42
  5. Step 5: Solve for x
    x = 6,736,624,225.42/92,858.33
  6. Step 6: Final answer
    x = 72,547.33

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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.