Home / 77,239.65-115,903.28-41,700.50

Finding the Fourth Proportional to 77,239.65, 115,903.28 and 41,700.50

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Solution

The fourth proportional to 77,239.65, 115,903.28 and 41,700.50 is: 62,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,239.65 : 115,903.28 = 41,700.50 : x
  2. Step 2: Convert to fraction form
    77,239.65/115,903.28 = 41,700.50/x
  3. Step 3: Cross multiply
    77,239.65x = 115,903.28 × 41,700.50
  4. Step 4: Simplify right side
    77,239.65x = 4,833,224,727.64
  5. Step 5: Solve for x
    x = 4,833,224,727.64/77,239.65
  6. Step 6: Final answer
    x = 62,574.40

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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.