Home / 124,929.54-172,402.80-70,493.27

Finding the Fourth Proportional to 124,929.54, 172,402.80 and 70,493.27

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Solution

The fourth proportional to 124,929.54, 172,402.80 and 70,493.27 is: 97,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,929.54 : 172,402.80 = 70,493.27 : x
  2. Step 2: Convert to fraction form
    124,929.54/172,402.80 = 70,493.27/x
  3. Step 3: Cross multiply
    124,929.54x = 172,402.80 × 70,493.27
  4. Step 4: Simplify right side
    124,929.54x = 12,153,236,458.22
  5. Step 5: Solve for x
    x = 12,153,236,458.22/124,929.54
  6. Step 6: Final answer
    x = 97,280.72

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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.