Home / 52,365.05-78,547.58-31,369.85

Finding the Fourth Proportional to 52,365.05, 78,547.58 and 31,369.85

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Solution

The fourth proportional to 52,365.05, 78,547.58 and 31,369.85 is: 47,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,365.05 : 78,547.58 = 31,369.85 : x
  2. Step 2: Convert to fraction form
    52,365.05/78,547.58 = 31,369.85/x
  3. Step 3: Cross multiply
    52,365.05x = 78,547.58 × 31,369.85
  4. Step 4: Simplify right side
    52,365.05x = 2,464,025,645.61
  5. Step 5: Solve for x
    x = 2,464,025,645.61/52,365.05
  6. Step 6: Final answer
    x = 47,054.78

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1.5x scale

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.