Home / 71,176.95-98,228.03-39,348.81

Finding the Fourth Proportional to 71,176.95, 98,228.03 and 39,348.81

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Solution

The fourth proportional to 71,176.95, 98,228.03 and 39,348.81 is: 54,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.95 : 98,228.03 = 39,348.81 : x
  2. Step 2: Convert to fraction form
    71,176.95/98,228.03 = 39,348.81/x
  3. Step 3: Cross multiply
    71,176.95x = 98,228.03 × 39,348.81
  4. Step 4: Simplify right side
    71,176.95x = 3,865,155,892.40
  5. Step 5: Solve for x
    x = 3,865,155,892.40/71,176.95
  6. Step 6: Final answer
    x = 54,303.48

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1.5x scale

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.