Home / 77,775.32-116,681.43-25,184.72

Finding the Fourth Proportional to 77,775.32, 116,681.43 and 25,184.72

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Solution

The fourth proportional to 77,775.32, 116,681.43 and 25,184.72 is: 37,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,775.32 : 116,681.43 = 25,184.72 : x
  2. Step 2: Convert to fraction form
    77,775.32/116,681.43 = 25,184.72/x
  3. Step 3: Cross multiply
    77,775.32x = 116,681.43 × 25,184.72
  4. Step 4: Simplify right side
    77,775.32x = 2,938,589,143.75
  5. Step 5: Solve for x
    x = 2,938,589,143.75/77,775.32
  6. Step 6: Final answer
    x = 37,783.05

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1.5x scale

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.