Home / 92,904.90-128,204.94-52,619.16

Finding the Fourth Proportional to 92,904.90, 128,204.94 and 52,619.16

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Solution

The fourth proportional to 92,904.90, 128,204.94 and 52,619.16 is: 72,612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,904.90 : 128,204.94 = 52,619.16 : x
  2. Step 2: Convert to fraction form
    92,904.90/128,204.94 = 52,619.16/x
  3. Step 3: Cross multiply
    92,904.90x = 128,204.94 × 52,619.16
  4. Step 4: Simplify right side
    92,904.90x = 6,746,036,250.65
  5. Step 5: Solve for x
    x = 6,746,036,250.65/92,904.90
  6. Step 6: Final answer
    x = 72,612.28

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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.