Home / 109,737.86-151,437.45-59,436.50

Finding the Fourth Proportional to 109,737.86, 151,437.45 and 59,436.50

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Solution

The fourth proportional to 109,737.86, 151,437.45 and 59,436.50 is: 82,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.86 : 151,437.45 = 59,436.50 : x
  2. Step 2: Convert to fraction form
    109,737.86/151,437.45 = 59,436.50/x
  3. Step 3: Cross multiply
    109,737.86x = 151,437.45 × 59,436.50
  4. Step 4: Simplify right side
    109,737.86x = 9,000,911,996.93
  5. Step 5: Solve for x
    x = 9,000,911,996.93/109,737.86
  6. Step 6: Final answer
    x = 82,021.94

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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.