Home / 124,371.21-171,632.84-70,659.17

Finding the Fourth Proportional to 124,371.21, 171,632.84 and 70,659.17

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Solution

The fourth proportional to 124,371.21, 171,632.84 and 70,659.17 is: 97,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.21 : 171,632.84 = 70,659.17 : x
  2. Step 2: Convert to fraction form
    124,371.21/171,632.84 = 70,659.17/x
  3. Step 3: Cross multiply
    124,371.21x = 171,632.84 × 70,659.17
  4. Step 4: Simplify right side
    124,371.21x = 12,127,434,019.14
  5. Step 5: Solve for x
    x = 12,127,434,019.14/124,371.21
  6. Step 6: Final answer
    x = 97,509.98

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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.