Home / 85,075.11-127,602.95-22,750.47

Finding the Fourth Proportional to 85,075.11, 127,602.95 and 22,750.47

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Solution

The fourth proportional to 85,075.11, 127,602.95 and 22,750.47 is: 34,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075.11 : 127,602.95 = 22,750.47 : x
  2. Step 2: Convert to fraction form
    85,075.11/127,602.95 = 22,750.47/x
  3. Step 3: Cross multiply
    85,075.11x = 127,602.95 × 22,750.47
  4. Step 4: Simplify right side
    85,075.11x = 2,903,026,972.13
  5. Step 5: Solve for x
    x = 2,903,026,972.13/85,075.11
  6. Step 6: Final answer
    x = 34,123.11

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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.