Home / 77,574.46-107,064.33-47,377.15

Finding the Fourth Proportional to 77,574.46, 107,064.33 and 47,377.15

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Solution

The fourth proportional to 77,574.46, 107,064.33 and 47,377.15 is: 65,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,574.46 : 107,064.33 = 47,377.15 : x
  2. Step 2: Convert to fraction form
    77,574.46/107,064.33 = 47,377.15/x
  3. Step 3: Cross multiply
    77,574.46x = 107,064.33 × 47,377.15
  4. Step 4: Simplify right side
    77,574.46x = 5,072,402,822.06
  5. Step 5: Solve for x
    x = 5,072,402,822.06/77,574.46
  6. Step 6: Final answer
    x = 65,387.54

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1.5x scale

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.