Home / 93,159.07-128,274.78-70,222.21

Finding the Fourth Proportional to 93,159.07, 128,274.78 and 70,222.21

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Solution

The fourth proportional to 93,159.07, 128,274.78 and 70,222.21 is: 96,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,159.07 : 128,274.78 = 70,222.21 : x
  2. Step 2: Convert to fraction form
    93,159.07/128,274.78 = 70,222.21/x
  3. Step 3: Cross multiply
    93,159.07x = 128,274.78 × 70,222.21
  4. Step 4: Simplify right side
    93,159.07x = 9,007,738,538.86
  5. Step 5: Solve for x
    x = 9,007,738,538.86/93,159.07
  6. Step 6: Final answer
    x = 96,692.02

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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.