Home / 93,681.03-129,282.90-51,239.56

Finding the Fourth Proportional to 93,681.03, 129,282.90 and 51,239.56

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Solution

The fourth proportional to 93,681.03, 129,282.90 and 51,239.56 is: 70,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,681.03 : 129,282.90 = 51,239.56 : x
  2. Step 2: Convert to fraction form
    93,681.03/129,282.90 = 51,239.56/x
  3. Step 3: Cross multiply
    93,681.03x = 129,282.90 × 51,239.56
  4. Step 4: Simplify right side
    93,681.03x = 6,624,398,911.52
  5. Step 5: Solve for x
    x = 6,624,398,911.52/93,681.03
  6. Step 6: Final answer
    x = 70,712.28

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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.