Home / 88,899.51-122,680.47-48,612.87

Finding the Fourth Proportional to 88,899.51, 122,680.47 and 48,612.87

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Solution

The fourth proportional to 88,899.51, 122,680.47 and 48,612.87 is: 67,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.51 : 122,680.47 = 48,612.87 : x
  2. Step 2: Convert to fraction form
    88,899.51/122,680.47 = 48,612.87/x
  3. Step 3: Cross multiply
    88,899.51x = 122,680.47 × 48,612.87
  4. Step 4: Simplify right side
    88,899.51x = 5,963,849,739.65
  5. Step 5: Solve for x
    x = 5,963,849,739.65/88,899.51
  6. Step 6: Final answer
    x = 67,085.29

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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.