Home / 77,501.36-106,939.13-45,665.93

Finding the Fourth Proportional to 77,501.36, 106,939.13 and 45,665.93

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Solution

The fourth proportional to 77,501.36, 106,939.13 and 45,665.93 is: 63,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,501.36 : 106,939.13 = 45,665.93 : x
  2. Step 2: Convert to fraction form
    77,501.36/106,939.13 = 45,665.93/x
  3. Step 3: Cross multiply
    77,501.36x = 106,939.13 × 45,665.93
  4. Step 4: Simplify right side
    77,501.36x = 4,883,474,824.84
  5. Step 5: Solve for x
    x = 4,883,474,824.84/77,501.36
  6. Step 6: Final answer
    x = 63,011.47

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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.