Home / 71,355.35-98,470.51-39,089.27

Finding the Fourth Proportional to 71,355.35, 98,470.51 and 39,089.27

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Solution

The fourth proportional to 71,355.35, 98,470.51 and 39,089.27 is: 53,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,355.35 : 98,470.51 = 39,089.27 : x
  2. Step 2: Convert to fraction form
    71,355.35/98,470.51 = 39,089.27/x
  3. Step 3: Cross multiply
    71,355.35x = 98,470.51 × 39,089.27
  4. Step 4: Simplify right side
    71,355.35x = 3,849,139,762.35
  5. Step 5: Solve for x
    x = 3,849,139,762.35/71,355.35
  6. Step 6: Final answer
    x = 53,943.25

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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.