Home / 117,307.88-175,944-38,420.36

Finding the Fourth Proportional to 117,307.88, 175,944 and 38,420.36

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Solution

The fourth proportional to 117,307.88, 175,944 and 38,420.36 is: 57,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,307.88 : 175,944 = 38,420.36 : x
  2. Step 2: Convert to fraction form
    117,307.88/175,944 = 38,420.36/x
  3. Step 3: Cross multiply
    117,307.88x = 175,944 × 38,420.36
  4. Step 4: Simplify right side
    117,307.88x = 6,759,831,819.84
  5. Step 5: Solve for x
    x = 6,759,831,819.84/117,307.88
  6. Step 6: Final answer
    x = 57,624.70

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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.