Home / 94,428.83-130,311.10-51,986.45

Finding the Fourth Proportional to 94,428.83, 130,311.10 and 51,986.45

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Solution

The fourth proportional to 94,428.83, 130,311.10 and 51,986.45 is: 71,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,428.83 : 130,311.10 = 51,986.45 : x
  2. Step 2: Convert to fraction form
    94,428.83/130,311.10 = 51,986.45/x
  3. Step 3: Cross multiply
    94,428.83x = 130,311.10 × 51,986.45
  4. Step 4: Simplify right side
    94,428.83x = 6,774,411,484.60
  5. Step 5: Solve for x
    x = 6,774,411,484.60/94,428.83
  6. Step 6: Final answer
    x = 71,740.92

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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.