Home / 76,240.16-113,437.48-74,335.52

Finding the Fourth Proportional to 76,240.16, 113,437.48 and 74,335.52

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Solution

The fourth proportional to 76,240.16, 113,437.48 and 74,335.52 is: 110,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,240.16 : 113,437.48 = 74,335.52 : x
  2. Step 2: Convert to fraction form
    76,240.16/113,437.48 = 74,335.52/x
  3. Step 3: Cross multiply
    76,240.16x = 113,437.48 × 74,335.52
  4. Step 4: Simplify right side
    76,240.16x = 8,432,434,063.29
  5. Step 5: Solve for x
    x = 8,432,434,063.29/76,240.16
  6. Step 6: Final answer
    x = 110,603.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.