Home / 93,117.60-128,493-52,824.96

Finding the Fourth Proportional to 93,117.60, 128,493 and 52,824.96

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Solution

The fourth proportional to 93,117.60, 128,493 and 52,824.96 is: 72,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,117.60 : 128,493 = 52,824.96 : x
  2. Step 2: Convert to fraction form
    93,117.60/128,493 = 52,824.96/x
  3. Step 3: Cross multiply
    93,117.60x = 128,493 × 52,824.96
  4. Step 4: Simplify right side
    93,117.60x = 6,787,637,585.28
  5. Step 5: Solve for x
    x = 6,787,637,585.28/93,117.60
  6. Step 6: Final answer
    x = 72,893.18

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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.