Home / 76,356.20-105,368.44-42,366.18

Finding the Fourth Proportional to 76,356.20, 105,368.44 and 42,366.18

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Solution

The fourth proportional to 76,356.20, 105,368.44 and 42,366.18 is: 58,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,356.20 : 105,368.44 = 42,366.18 : x
  2. Step 2: Convert to fraction form
    76,356.20/105,368.44 = 42,366.18/x
  3. Step 3: Cross multiply
    76,356.20x = 105,368.44 × 42,366.18
  4. Step 4: Simplify right side
    76,356.20x = 4,464,058,295.36
  5. Step 5: Solve for x
    x = 4,464,058,295.36/76,356.20
  6. Step 6: Final answer
    x = 58,463.60

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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.