Home / 76,267.98-105,256.13-42,287.13

Finding the Fourth Proportional to 76,267.98, 105,256.13 and 42,287.13

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Solution

The fourth proportional to 76,267.98, 105,256.13 and 42,287.13 is: 58,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,267.98 : 105,256.13 = 42,287.13 : x
  2. Step 2: Convert to fraction form
    76,267.98/105,256.13 = 42,287.13/x
  3. Step 3: Cross multiply
    76,267.98x = 105,256.13 × 42,287.13
  4. Step 4: Simplify right side
    76,267.98x = 4,450,979,441.17
  5. Step 5: Solve for x
    x = 4,450,979,441.17/76,267.98
  6. Step 6: Final answer
    x = 58,359.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.