Home / 124,404.50-171,678.26-70,689.58

Finding the Fourth Proportional to 124,404.50, 171,678.26 and 70,689.58

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Solution

The fourth proportional to 124,404.50, 171,678.26 and 70,689.58 is: 97,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,404.50 : 171,678.26 = 70,689.58 : x
  2. Step 2: Convert to fraction form
    124,404.50/171,678.26 = 70,689.58/x
  3. Step 3: Cross multiply
    124,404.50x = 171,678.26 × 70,689.58
  4. Step 4: Simplify right side
    124,404.50x = 12,135,864,094.53
  5. Step 5: Solve for x
    x = 12,135,864,094.53/124,404.50
  6. Step 6: Final answer
    x = 97,551.65

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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.