Home / 87,701.02-121,024.20-49,967.98

Finding the Fourth Proportional to 87,701.02, 121,024.20 and 49,967.98

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Solution

The fourth proportional to 87,701.02, 121,024.20 and 49,967.98 is: 68,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,701.02 : 121,024.20 = 49,967.98 : x
  2. Step 2: Convert to fraction form
    87,701.02/121,024.20 = 49,967.98/x
  3. Step 3: Cross multiply
    87,701.02x = 121,024.20 × 49,967.98
  4. Step 4: Simplify right side
    87,701.02x = 6,047,334,805.12
  5. Step 5: Solve for x
    x = 6,047,334,805.12/87,701.02
  6. Step 6: Final answer
    x = 68,953.98

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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.