Home / 124,531.32-171,846.18-70,829.40

Finding the Fourth Proportional to 124,531.32, 171,846.18 and 70,829.40

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Solution

The fourth proportional to 124,531.32, 171,846.18 and 70,829.40 is: 97,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,531.32 : 171,846.18 = 70,829.40 : x
  2. Step 2: Convert to fraction form
    124,531.32/171,846.18 = 70,829.40/x
  3. Step 3: Cross multiply
    124,531.32x = 171,846.18 × 70,829.40
  4. Step 4: Simplify right side
    124,531.32x = 12,171,761,821.69
  5. Step 5: Solve for x
    x = 12,171,761,821.69/124,531.32
  6. Step 6: Final answer
    x = 97,740.57

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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.