Home / 93,637.76-129,220.16-51,196.64

Finding the Fourth Proportional to 93,637.76, 129,220.16 and 51,196.64

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Solution

The fourth proportional to 93,637.76, 129,220.16 and 51,196.64 is: 70,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,637.76 : 129,220.16 = 51,196.64 : x
  2. Step 2: Convert to fraction form
    93,637.76/129,220.16 = 51,196.64/x
  3. Step 3: Cross multiply
    93,637.76x = 129,220.16 × 51,196.64
  4. Step 4: Simplify right side
    93,637.76x = 6,615,638,012.26
  5. Step 5: Solve for x
    x = 6,615,638,012.26/93,637.76
  6. Step 6: Final answer
    x = 70,651.39

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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.