Home / 76,474.19-105,531.45-42,484.82

Finding the Fourth Proportional to 76,474.19, 105,531.45 and 42,484.82

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Solution

The fourth proportional to 76,474.19, 105,531.45 and 42,484.82 is: 58,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,474.19 : 105,531.45 = 42,484.82 : x
  2. Step 2: Convert to fraction form
    76,474.19/105,531.45 = 42,484.82/x
  3. Step 3: Cross multiply
    76,474.19x = 105,531.45 × 42,484.82
  4. Step 4: Simplify right side
    76,474.19x = 4,483,484,657.59
  5. Step 5: Solve for x
    x = 4,483,484,657.59/76,474.19
  6. Step 6: Final answer
    x = 58,627.42

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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.