Home / 89,582.48-134,425.64-45,212.70

Finding the Fourth Proportional to 89,582.48, 134,425.64 and 45,212.70

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Solution

The fourth proportional to 89,582.48, 134,425.64 and 45,212.70 is: 67,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,582.48 : 134,425.64 = 45,212.70 : x
  2. Step 2: Convert to fraction form
    89,582.48/134,425.64 = 45,212.70/x
  3. Step 3: Cross multiply
    89,582.48x = 134,425.64 × 45,212.70
  4. Step 4: Simplify right side
    89,582.48x = 6,077,746,133.63
  5. Step 5: Solve for x
    x = 6,077,746,133.63/89,582.48
  6. Step 6: Final answer
    x = 67,845.25

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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.