Home / 76,490.45-105,559.17-46,281.32

Finding the Fourth Proportional to 76,490.45, 105,559.17 and 46,281.32

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Solution

The fourth proportional to 76,490.45, 105,559.17 and 46,281.32 is: 63,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,490.45 : 105,559.17 = 46,281.32 : x
  2. Step 2: Convert to fraction form
    76,490.45/105,559.17 = 46,281.32/x
  3. Step 3: Cross multiply
    76,490.45x = 105,559.17 × 46,281.32
  4. Step 4: Simplify right side
    76,490.45x = 4,885,417,725.70
  5. Step 5: Solve for x
    x = 4,885,417,725.70/76,490.45
  6. Step 6: Final answer
    x = 63,869.64

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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.