Home / 88,988.02-122,803.52-48,701.76

Finding the Fourth Proportional to 88,988.02, 122,803.52 and 48,701.76

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Solution

The fourth proportional to 88,988.02, 122,803.52 and 48,701.76 is: 67,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,988.02 : 122,803.52 = 48,701.76 : x
  2. Step 2: Convert to fraction form
    88,988.02/122,803.52 = 48,701.76/x
  3. Step 3: Cross multiply
    88,988.02x = 122,803.52 × 48,701.76
  4. Step 4: Simplify right side
    88,988.02x = 5,980,747,314.69
  5. Step 5: Solve for x
    x = 5,980,747,314.69/88,988.02
  6. Step 6: Final answer
    x = 67,208.45

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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.