Home / 76,329.95-114,341.83-38,888.51

Finding the Fourth Proportional to 76,329.95, 114,341.83 and 38,888.51

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Solution

The fourth proportional to 76,329.95, 114,341.83 and 38,888.51 is: 58,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,329.95 : 114,341.83 = 38,888.51 : x
  2. Step 2: Convert to fraction form
    76,329.95/114,341.83 = 38,888.51/x
  3. Step 3: Cross multiply
    76,329.95x = 114,341.83 × 38,888.51
  4. Step 4: Simplify right side
    76,329.95x = 4,446,582,730.44
  5. Step 5: Solve for x
    x = 4,446,582,730.44/76,329.95
  6. Step 6: Final answer
    x = 58,254.76

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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.