Home / 77,935.32-116,985.65-63,320.72

Finding the Fourth Proportional to 77,935.32, 116,985.65 and 63,320.72

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Solution

The fourth proportional to 77,935.32, 116,985.65 and 63,320.72 is: 95,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,935.32 : 116,985.65 = 63,320.72 : x
  2. Step 2: Convert to fraction form
    77,935.32/116,985.65 = 63,320.72/x
  3. Step 3: Cross multiply
    77,935.32x = 116,985.65 × 63,320.72
  4. Step 4: Simplify right side
    77,935.32x = 7,407,614,686.14
  5. Step 5: Solve for x
    x = 7,407,614,686.14/77,935.32
  6. Step 6: Final answer
    x = 95,048.24

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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.