Home / 88,559.04-122,378.40-69,844.80

Finding the Fourth Proportional to 88,559.04, 122,378.40 and 69,844.80

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Solution

The fourth proportional to 88,559.04, 122,378.40 and 69,844.80 is: 96,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,559.04 : 122,378.40 = 69,844.80 : x
  2. Step 2: Convert to fraction form
    88,559.04/122,378.40 = 69,844.80/x
  3. Step 3: Cross multiply
    88,559.04x = 122,378.40 × 69,844.80
  4. Step 4: Simplify right side
    88,559.04x = 8,547,494,872.32
  5. Step 5: Solve for x
    x = 8,547,494,872.32/88,559.04
  6. Step 6: Final answer
    x = 96,517.47

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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.