Home / 84,700.08-127,055.40-28,535.52

Finding the Fourth Proportional to 84,700.08, 127,055.40 and 28,535.52

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Solution

The fourth proportional to 84,700.08, 127,055.40 and 28,535.52 is: 42,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,700.08 : 127,055.40 = 28,535.52 : x
  2. Step 2: Convert to fraction form
    84,700.08/127,055.40 = 28,535.52/x
  3. Step 3: Cross multiply
    84,700.08x = 127,055.40 × 28,535.52
  4. Step 4: Simplify right side
    84,700.08x = 3,625,591,907.81
  5. Step 5: Solve for x
    x = 3,625,591,907.81/84,700.08
  6. Step 6: Final answer
    x = 42,805.06

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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.