Home / 124,398.07-171,668.95-70,680.49

Finding the Fourth Proportional to 124,398.07, 171,668.95 and 70,680.49

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Solution

The fourth proportional to 124,398.07, 171,668.95 and 70,680.49 is: 97,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,398.07 : 171,668.95 = 70,680.49 : x
  2. Step 2: Convert to fraction form
    124,398.07/171,668.95 = 70,680.49/x
  3. Step 3: Cross multiply
    124,398.07x = 171,668.95 × 70,680.49
  4. Step 4: Simplify right side
    124,398.07x = 12,133,645,503.79
  5. Step 5: Solve for x
    x = 12,133,645,503.79/124,398.07
  6. Step 6: Final answer
    x = 97,538.86

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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.