Home / 93,290.16-128,743.90-53,010.76

Finding the Fourth Proportional to 93,290.16, 128,743.90 and 53,010.76

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Solution

The fourth proportional to 93,290.16, 128,743.90 and 53,010.76 is: 73,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,290.16 : 128,743.90 = 53,010.76 : x
  2. Step 2: Convert to fraction form
    93,290.16/128,743.90 = 53,010.76/x
  3. Step 3: Cross multiply
    93,290.16x = 128,743.90 × 53,010.76
  4. Step 4: Simplify right side
    93,290.16x = 6,824,811,984.36
  5. Step 5: Solve for x
    x = 6,824,811,984.36/93,290.16
  6. Step 6: Final answer
    x = 73,156.83

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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.