Home / 55,903.84-83,536.36-42,503.20

Finding the Fourth Proportional to 55,903.84, 83,536.36 and 42,503.20

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Solution

The fourth proportional to 55,903.84, 83,536.36 and 42,503.20 is: 63,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,903.84 : 83,536.36 = 42,503.20 : x
  2. Step 2: Convert to fraction form
    55,903.84/83,536.36 = 42,503.20/x
  3. Step 3: Cross multiply
    55,903.84x = 83,536.36 × 42,503.20
  4. Step 4: Simplify right side
    55,903.84x = 3,550,562,616.35
  5. Step 5: Solve for x
    x = 3,550,562,616.35/55,903.84
  6. Step 6: Final answer
    x = 63,511.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.