Home / 124,521.57-171,838.95-70,806.59

Finding the Fourth Proportional to 124,521.57, 171,838.95 and 70,806.59

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Solution

The fourth proportional to 124,521.57, 171,838.95 and 70,806.59 is: 97,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521.57 : 171,838.95 = 70,806.59 : x
  2. Step 2: Convert to fraction form
    124,521.57/171,838.95 = 70,806.59/x
  3. Step 3: Cross multiply
    124,521.57x = 171,838.95 × 70,806.59
  4. Step 4: Simplify right side
    124,521.57x = 12,167,330,255.70
  5. Step 5: Solve for x
    x = 12,167,330,255.70/124,521.57
  6. Step 6: Final answer
    x = 97,712.63

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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.