Home / 77,776.36-116,681.54-25,191.16

Finding the Fourth Proportional to 77,776.36, 116,681.54 and 25,191.16

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Solution

The fourth proportional to 77,776.36, 116,681.54 and 25,191.16 is: 37,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,776.36 : 116,681.54 = 25,191.16 : x
  2. Step 2: Convert to fraction form
    77,776.36/116,681.54 = 25,191.16/x
  3. Step 3: Cross multiply
    77,776.36x = 116,681.54 × 25,191.16
  4. Step 4: Simplify right side
    77,776.36x = 2,939,343,343.19
  5. Step 5: Solve for x
    x = 2,939,343,343.19/77,776.36
  6. Step 6: Final answer
    x = 37,792.25

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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.