Home / 71,970.12-99,267.34-62,392.89

Finding the Fourth Proportional to 71,970.12, 99,267.34 and 62,392.89

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Solution

The fourth proportional to 71,970.12, 99,267.34 and 62,392.89 is: 86,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,970.12 : 99,267.34 = 62,392.89 : x
  2. Step 2: Convert to fraction form
    71,970.12/99,267.34 = 62,392.89/x
  3. Step 3: Cross multiply
    71,970.12x = 99,267.34 × 62,392.89
  4. Step 4: Simplify right side
    71,970.12x = 6,193,575,728.88
  5. Step 5: Solve for x
    x = 6,193,575,728.88/71,970.12
  6. Step 6: Final answer
    x = 86,057.60

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1.5x scale

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.