Home / 71,488.36-98,772.60-56,496

Finding the Fourth Proportional to 71,488.36, 98,772.60 and 56,496

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Solution

The fourth proportional to 71,488.36, 98,772.60 and 56,496 is: 78,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,488.36 : 98,772.60 = 56,496 : x
  2. Step 2: Convert to fraction form
    71,488.36/98,772.60 = 56,496/x
  3. Step 3: Cross multiply
    71,488.36x = 98,772.60 × 56,496
  4. Step 4: Simplify right side
    71,488.36x = 5,580,256,809.60
  5. Step 5: Solve for x
    x = 5,580,256,809.60/71,488.36
  6. Step 6: Final answer
    x = 78,058.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.