Home / 77,554.29-116,331.93-42,474.81

Finding the Fourth Proportional to 77,554.29, 116,331.93 and 42,474.81

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Solution

The fourth proportional to 77,554.29, 116,331.93 and 42,474.81 is: 63,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,554.29 : 116,331.93 = 42,474.81 : x
  2. Step 2: Convert to fraction form
    77,554.29/116,331.93 = 42,474.81/x
  3. Step 3: Cross multiply
    77,554.29x = 116,331.93 × 42,474.81
  4. Step 4: Simplify right side
    77,554.29x = 4,941,175,829.65
  5. Step 5: Solve for x
    x = 4,941,175,829.65/77,554.29
  6. Step 6: Final answer
    x = 63,712.48

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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.