Home / 124,567.05-171,869.51-70,843.40

Finding the Fourth Proportional to 124,567.05, 171,869.51 and 70,843.40

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Solution

The fourth proportional to 124,567.05, 171,869.51 and 70,843.40 is: 97,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,567.05 : 171,869.51 = 70,843.40 : x
  2. Step 2: Convert to fraction form
    124,567.05/171,869.51 = 70,843.40/x
  3. Step 3: Cross multiply
    124,567.05x = 171,869.51 × 70,843.40
  4. Step 4: Simplify right side
    124,567.05x = 12,175,820,444.73
  5. Step 5: Solve for x
    x = 12,175,820,444.73/124,567.05
  6. Step 6: Final answer
    x = 97,745.11

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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.