Home / 124,211.70-171,397.86-70,486.02

Finding the Fourth Proportional to 124,211.70, 171,397.86 and 70,486.02

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Solution

The fourth proportional to 124,211.70, 171,397.86 and 70,486.02 is: 97,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.70 : 171,397.86 = 70,486.02 : x
  2. Step 2: Convert to fraction form
    124,211.70/171,397.86 = 70,486.02/x
  3. Step 3: Cross multiply
    124,211.70x = 171,397.86 × 70,486.02
  4. Step 4: Simplify right side
    124,211.70x = 12,081,152,987.92
  5. Step 5: Solve for x
    x = 12,081,152,987.92/124,211.70
  6. Step 6: Final answer
    x = 97,262.60

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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.