Home / 124,438.86-171,721.35-70,722.94

Finding the Fourth Proportional to 124,438.86, 171,721.35 and 70,722.94

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Solution

The fourth proportional to 124,438.86, 171,721.35 and 70,722.94 is: 97,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,438.86 : 171,721.35 = 70,722.94 : x
  2. Step 2: Convert to fraction form
    124,438.86/171,721.35 = 70,722.94/x
  3. Step 3: Cross multiply
    124,438.86x = 171,721.35 × 70,722.94
  4. Step 4: Simplify right side
    124,438.86x = 12,144,638,732.77
  5. Step 5: Solve for x
    x = 12,144,638,732.77/124,438.86
  6. Step 6: Final answer
    x = 97,595.23

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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.