Home / 115,921.10-173,881.65-56,726.30

Finding the Fourth Proportional to 115,921.10, 173,881.65 and 56,726.30

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Solution

The fourth proportional to 115,921.10, 173,881.65 and 56,726.30 is: 85,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,921.10 : 173,881.65 = 56,726.30 : x
  2. Step 2: Convert to fraction form
    115,921.10/173,881.65 = 56,726.30/x
  3. Step 3: Cross multiply
    115,921.10x = 173,881.65 × 56,726.30
  4. Step 4: Simplify right side
    115,921.10x = 9,863,662,642.40
  5. Step 5: Solve for x
    x = 9,863,662,642.40/115,921.10
  6. Step 6: Final answer
    x = 85,089.45

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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.