Home / 85,296.24-127,773-42,472.62

Finding the Fourth Proportional to 85,296.24, 127,773 and 42,472.62

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Solution

The fourth proportional to 85,296.24, 127,773 and 42,472.62 is: 63,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,296.24 : 127,773 = 42,472.62 : x
  2. Step 2: Convert to fraction form
    85,296.24/127,773 = 42,472.62/x
  3. Step 3: Cross multiply
    85,296.24x = 127,773 × 42,472.62
  4. Step 4: Simplify right side
    85,296.24x = 5,426,854,075.26
  5. Step 5: Solve for x
    x = 5,426,854,075.26/85,296.24
  6. Step 6: Final answer
    x = 63,623.60

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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.