Home / 76,438.76-114,143.40-62,426.59

Finding the Fourth Proportional to 76,438.76, 114,143.40 and 62,426.59

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Solution

The fourth proportional to 76,438.76, 114,143.40 and 62,426.59 is: 93,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,438.76 : 114,143.40 = 62,426.59 : x
  2. Step 2: Convert to fraction form
    76,438.76/114,143.40 = 62,426.59/x
  3. Step 3: Cross multiply
    76,438.76x = 114,143.40 × 62,426.59
  4. Step 4: Simplify right side
    76,438.76x = 7,125,582,947.65
  5. Step 5: Solve for x
    x = 7,125,582,947.65/76,438.76
  6. Step 6: Final answer
    x = 93,219.51

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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.