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Finding the Fourth Proportional to 79,527.60, 119,291.40 and 65,530.80

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Solution

The fourth proportional to 79,527.60, 119,291.40 and 65,530.80 is: 98,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,527.60 : 119,291.40 = 65,530.80 : x
  2. Step 2: Convert to fraction form
    79,527.60/119,291.40 = 65,530.80/x
  3. Step 3: Cross multiply
    79,527.60x = 119,291.40 × 65,530.80
  4. Step 4: Simplify right side
    79,527.60x = 7,817,260,875.12
  5. Step 5: Solve for x
    x = 7,817,260,875.12/79,527.60
  6. Step 6: Final answer
    x = 98,296.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.