Home / 47,060.65-64,947.11-31,117.45

Finding the Fourth Proportional to 47,060.65, 64,947.11 and 31,117.45

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Solution

The fourth proportional to 47,060.65, 64,947.11 and 31,117.45 is: 42,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,060.65 : 64,947.11 = 31,117.45 : x
  2. Step 2: Convert to fraction form
    47,060.65/64,947.11 = 31,117.45/x
  3. Step 3: Cross multiply
    47,060.65x = 64,947.11 × 31,117.45
  4. Step 4: Simplify right side
    47,060.65x = 2,020,988,448.07
  5. Step 5: Solve for x
    x = 2,020,988,448.07/47,060.65
  6. Step 6: Final answer
    x = 42,944.34

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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.