Home / 61,856.28-92,783.34-42,863.40

Finding the Fourth Proportional to 61,856.28, 92,783.34 and 42,863.40

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Solution

The fourth proportional to 61,856.28, 92,783.34 and 42,863.40 is: 64,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,856.28 : 92,783.34 = 42,863.40 : x
  2. Step 2: Convert to fraction form
    61,856.28/92,783.34 = 42,863.40/x
  3. Step 3: Cross multiply
    61,856.28x = 92,783.34 × 42,863.40
  4. Step 4: Simplify right side
    61,856.28x = 3,977,009,415.76
  5. Step 5: Solve for x
    x = 3,977,009,415.76/61,856.28
  6. Step 6: Final answer
    x = 64,294.35

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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.