Home / 75,053.40-112,570.36-28,300.20

Finding the Fourth Proportional to 75,053.40, 112,570.36 and 28,300.20

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Solution

The fourth proportional to 75,053.40, 112,570.36 and 28,300.20 is: 42,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,053.40 : 112,570.36 = 28,300.20 : x
  2. Step 2: Convert to fraction form
    75,053.40/112,570.36 = 28,300.20/x
  3. Step 3: Cross multiply
    75,053.40x = 112,570.36 × 28,300.20
  4. Step 4: Simplify right side
    75,053.40x = 3,185,763,702.07
  5. Step 5: Solve for x
    x = 3,185,763,702.07/75,053.40
  6. Step 6: Final answer
    x = 42,446.63

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1.5x scale

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.