Home / 93,222.05-128,642.28-54,463.47

Finding the Fourth Proportional to 93,222.05, 128,642.28 and 54,463.47

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Solution

The fourth proportional to 93,222.05, 128,642.28 and 54,463.47 is: 75,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,222.05 : 128,642.28 = 54,463.47 : x
  2. Step 2: Convert to fraction form
    93,222.05/128,642.28 = 54,463.47/x
  3. Step 3: Cross multiply
    93,222.05x = 128,642.28 × 54,463.47
  4. Step 4: Simplify right side
    93,222.05x = 7,006,304,957.51
  5. Step 5: Solve for x
    x = 7,006,304,957.51/93,222.05
  6. Step 6: Final answer
    x = 75,157.16

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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.