Home / 61,875.14-85,387.64-33,580.76

Finding the Fourth Proportional to 61,875.14, 85,387.64 and 33,580.76

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Solution

The fourth proportional to 61,875.14, 85,387.64 and 33,580.76 is: 46,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,875.14 : 85,387.64 = 33,580.76 : x
  2. Step 2: Convert to fraction form
    61,875.14/85,387.64 = 33,580.76/x
  3. Step 3: Cross multiply
    61,875.14x = 85,387.64 × 33,580.76
  4. Step 4: Simplify right side
    61,875.14x = 2,867,381,845.81
  5. Step 5: Solve for x
    x = 2,867,381,845.81/61,875.14
  6. Step 6: Final answer
    x = 46,341.42

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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.