Home / 85,955.04-118,620-48,232.08

Finding the Fourth Proportional to 85,955.04, 118,620 and 48,232.08

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Solution

The fourth proportional to 85,955.04, 118,620 and 48,232.08 is: 66,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,955.04 : 118,620 = 48,232.08 : x
  2. Step 2: Convert to fraction form
    85,955.04/118,620 = 48,232.08/x
  3. Step 3: Cross multiply
    85,955.04x = 118,620 × 48,232.08
  4. Step 4: Simplify right side
    85,955.04x = 5,721,289,329.60
  5. Step 5: Solve for x
    x = 5,721,289,329.60/85,955.04
  6. Step 6: Final answer
    x = 66,561.42

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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.