Home / 77,631.06-116,362.90-37,565.42

Finding the Fourth Proportional to 77,631.06, 116,362.90 and 37,565.42

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Solution

The fourth proportional to 77,631.06, 116,362.90 and 37,565.42 is: 56,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,631.06 : 116,362.90 = 37,565.42 : x
  2. Step 2: Convert to fraction form
    77,631.06/116,362.90 = 37,565.42/x
  3. Step 3: Cross multiply
    77,631.06x = 116,362.90 × 37,565.42
  4. Step 4: Simplify right side
    77,631.06x = 4,371,221,210.92
  5. Step 5: Solve for x
    x = 4,371,221,210.92/77,631.06
  6. Step 6: Final answer
    x = 56,307.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.