Home / 88,421.50-122,034.02-56,658.07

Finding the Fourth Proportional to 88,421.50, 122,034.02 and 56,658.07

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Solution

The fourth proportional to 88,421.50, 122,034.02 and 56,658.07 is: 78,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,421.50 : 122,034.02 = 56,658.07 : x
  2. Step 2: Convert to fraction form
    88,421.50/122,034.02 = 56,658.07/x
  3. Step 3: Cross multiply
    88,421.50x = 122,034.02 × 56,658.07
  4. Step 4: Simplify right side
    88,421.50x = 6,914,212,047.54
  5. Step 5: Solve for x
    x = 6,914,212,047.54/88,421.50
  6. Step 6: Final answer
    x = 78,196.05

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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.