Home / 91,214.12-125,875.14-50,927.51

Finding the Fourth Proportional to 91,214.12, 125,875.14 and 50,927.51

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Solution

The fourth proportional to 91,214.12, 125,875.14 and 50,927.51 is: 70,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214.12 : 125,875.14 = 50,927.51 : x
  2. Step 2: Convert to fraction form
    91,214.12/125,875.14 = 50,927.51/x
  3. Step 3: Cross multiply
    91,214.12x = 125,875.14 × 50,927.51
  4. Step 4: Simplify right side
    91,214.12x = 6,410,507,451.10
  5. Step 5: Solve for x
    x = 6,410,507,451.10/91,214.12
  6. Step 6: Final answer
    x = 70,279.77

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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.