Home / 75,868.95-113,854.21-31,495.74

Finding the Fourth Proportional to 75,868.95, 113,854.21 and 31,495.74

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Solution

The fourth proportional to 75,868.95, 113,854.21 and 31,495.74 is: 47,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,868.95 : 113,854.21 = 31,495.74 : x
  2. Step 2: Convert to fraction form
    75,868.95/113,854.21 = 31,495.74/x
  3. Step 3: Cross multiply
    75,868.95x = 113,854.21 × 31,495.74
  4. Step 4: Simplify right side
    75,868.95x = 3,585,922,090.37
  5. Step 5: Solve for x
    x = 3,585,922,090.37/75,868.95
  6. Step 6: Final answer
    x = 47,264.68

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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.