Home / 56,316.47-84,516.32-45,355.46

Finding the Fourth Proportional to 56,316.47, 84,516.32 and 45,355.46

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Solution

The fourth proportional to 56,316.47, 84,516.32 and 45,355.46 is: 68,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,316.47 : 84,516.32 = 45,355.46 : x
  2. Step 2: Convert to fraction form
    56,316.47/84,516.32 = 45,355.46/x
  3. Step 3: Cross multiply
    56,316.47x = 84,516.32 × 45,355.46
  4. Step 4: Simplify right side
    56,316.47x = 3,833,275,921.75
  5. Step 5: Solve for x
    x = 3,833,275,921.75/56,316.47
  6. Step 6: Final answer
    x = 68,066.70

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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.