Home / 93,043.76-128,403.26-52,759.20

Finding the Fourth Proportional to 93,043.76, 128,403.26 and 52,759.20

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Solution

The fourth proportional to 93,043.76, 128,403.26 and 52,759.20 is: 72,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,043.76 : 128,403.26 = 52,759.20 : x
  2. Step 2: Convert to fraction form
    93,043.76/128,403.26 = 52,759.20/x
  3. Step 3: Cross multiply
    93,043.76x = 128,403.26 × 52,759.20
  4. Step 4: Simplify right side
    93,043.76x = 6,774,453,274.99
  5. Step 5: Solve for x
    x = 6,774,453,274.99/93,043.76
  6. Step 6: Final answer
    x = 72,809.32

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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.