Home / 71,593.45-98,802.05-39,762.36

Finding the Fourth Proportional to 71,593.45, 98,802.05 and 39,762.36

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Solution

The fourth proportional to 71,593.45, 98,802.05 and 39,762.36 is: 54,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,593.45 : 98,802.05 = 39,762.36 : x
  2. Step 2: Convert to fraction form
    71,593.45/98,802.05 = 39,762.36/x
  3. Step 3: Cross multiply
    71,593.45x = 98,802.05 × 39,762.36
  4. Step 4: Simplify right side
    71,593.45x = 3,928,602,482.03
  5. Step 5: Solve for x
    x = 3,928,602,482.03/71,593.45
  6. Step 6: Final answer
    x = 54,873.77

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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.