Home / 75,346.40-112,888.56-45,693.92

Finding the Fourth Proportional to 75,346.40, 112,888.56 and 45,693.92

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Solution

The fourth proportional to 75,346.40, 112,888.56 and 45,693.92 is: 68,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,346.40 : 112,888.56 = 45,693.92 : x
  2. Step 2: Convert to fraction form
    75,346.40/112,888.56 = 45,693.92/x
  3. Step 3: Cross multiply
    75,346.40x = 112,888.56 × 45,693.92
  4. Step 4: Simplify right side
    75,346.40x = 5,158,320,829.56
  5. Step 5: Solve for x
    x = 5,158,320,829.56/75,346.40
  6. Step 6: Final answer
    x = 68,461.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.