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Finding the Fourth Proportional to 94,448.40, 130,271.40 and 60,882

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Solution

The fourth proportional to 94,448.40, 130,271.40 and 60,882 is: 83,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,448.40 : 130,271.40 = 60,882 : x
  2. Step 2: Convert to fraction form
    94,448.40/130,271.40 = 60,882/x
  3. Step 3: Cross multiply
    94,448.40x = 130,271.40 × 60,882
  4. Step 4: Simplify right side
    94,448.40x = 7,931,183,374.80
  5. Step 5: Solve for x
    x = 7,931,183,374.80/94,448.40
  6. Step 6: Final answer
    x = 83,973.72

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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.