Home / 76,526.87-105,601.95-42,533.15

Finding the Fourth Proportional to 76,526.87, 105,601.95 and 42,533.15

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Solution

The fourth proportional to 76,526.87, 105,601.95 and 42,533.15 is: 58,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,526.87 : 105,601.95 = 42,533.15 : x
  2. Step 2: Convert to fraction form
    76,526.87/105,601.95 = 42,533.15/x
  3. Step 3: Cross multiply
    76,526.87x = 105,601.95 × 42,533.15
  4. Step 4: Simplify right side
    76,526.87x = 4,491,583,051.63
  5. Step 5: Solve for x
    x = 4,491,583,051.63/76,526.87
  6. Step 6: Final answer
    x = 58,692.89

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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.