Home / 65,020.20-97,530.30-40,088.40

Finding the Fourth Proportional to 65,020.20, 97,530.30 and 40,088.40

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Solution

The fourth proportional to 65,020.20, 97,530.30 and 40,088.40 is: 60,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,020.20 : 97,530.30 = 40,088.40 : x
  2. Step 2: Convert to fraction form
    65,020.20/97,530.30 = 40,088.40/x
  3. Step 3: Cross multiply
    65,020.20x = 97,530.30 × 40,088.40
  4. Step 4: Simplify right side
    65,020.20x = 3,909,833,678.52
  5. Step 5: Solve for x
    x = 3,909,833,678.52/65,020.20
  6. Step 6: Final answer
    x = 60,132.60

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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.