Home / 70,929.86-97,875.47-39,092.63

Finding the Fourth Proportional to 70,929.86, 97,875.47 and 39,092.63

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Solution

The fourth proportional to 70,929.86, 97,875.47 and 39,092.63 is: 53,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.86 : 97,875.47 = 39,092.63 : x
  2. Step 2: Convert to fraction form
    70,929.86/97,875.47 = 39,092.63/x
  3. Step 3: Cross multiply
    70,929.86x = 97,875.47 × 39,092.63
  4. Step 4: Simplify right side
    70,929.86x = 3,826,209,143.14
  5. Step 5: Solve for x
    x = 3,826,209,143.14/70,929.86
  6. Step 6: Final answer
    x = 53,943.56

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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.