Home / 62,214.05-85,822.65-42,077.70

Finding the Fourth Proportional to 62,214.05, 85,822.65 and 42,077.70

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Solution

The fourth proportional to 62,214.05, 85,822.65 and 42,077.70 is: 58,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,214.05 : 85,822.65 = 42,077.70 : x
  2. Step 2: Convert to fraction form
    62,214.05/85,822.65 = 42,077.70/x
  3. Step 3: Cross multiply
    62,214.05x = 85,822.65 × 42,077.70
  4. Step 4: Simplify right side
    62,214.05x = 3,611,219,719.91
  5. Step 5: Solve for x
    x = 3,611,219,719.91/62,214.05
  6. Step 6: Final answer
    x = 58,045.09

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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.