Home / 76,453.70-105,507.51-42,465.34

Finding the Fourth Proportional to 76,453.70, 105,507.51 and 42,465.34

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Solution

The fourth proportional to 76,453.70, 105,507.51 and 42,465.34 is: 58,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,453.70 : 105,507.51 = 42,465.34 : x
  2. Step 2: Convert to fraction form
    76,453.70/105,507.51 = 42,465.34/x
  3. Step 3: Cross multiply
    76,453.70x = 105,507.51 × 42,465.34
  4. Step 4: Simplify right side
    76,453.70x = 4,480,412,284.70
  5. Step 5: Solve for x
    x = 4,480,412,284.70/76,453.70
  6. Step 6: Final answer
    x = 58,602.95

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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.