Home / 60,860.07-91,280.88-21,407.94

Finding the Fourth Proportional to 60,860.07, 91,280.88 and 21,407.94

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Solution

The fourth proportional to 60,860.07, 91,280.88 and 21,407.94 is: 32,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,860.07 : 91,280.88 = 21,407.94 : x
  2. Step 2: Convert to fraction form
    60,860.07/91,280.88 = 21,407.94/x
  3. Step 3: Cross multiply
    60,860.07x = 91,280.88 × 21,407.94
  4. Step 4: Simplify right side
    60,860.07x = 1,954,135,602.19
  5. Step 5: Solve for x
    x = 1,954,135,602.19/60,860.07
  6. Step 6: Final answer
    x = 32,108.67

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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.