Home / 77,564.38-107,036.01-47,400.19

Finding the Fourth Proportional to 77,564.38, 107,036.01 and 47,400.19

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Solution

The fourth proportional to 77,564.38, 107,036.01 and 47,400.19 is: 65,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,564.38 : 107,036.01 = 47,400.19 : x
  2. Step 2: Convert to fraction form
    77,564.38/107,036.01 = 47,400.19/x
  3. Step 3: Cross multiply
    77,564.38x = 107,036.01 × 47,400.19
  4. Step 4: Simplify right side
    77,564.38x = 5,073,527,210.84
  5. Step 5: Solve for x
    x = 5,073,527,210.84/77,564.38
  6. Step 6: Final answer
    x = 65,410.53

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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.