Home / 93,578.48-129,140.16-51,139.64

Finding the Fourth Proportional to 93,578.48, 129,140.16 and 51,139.64

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Solution

The fourth proportional to 93,578.48, 129,140.16 and 51,139.64 is: 70,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,578.48 : 129,140.16 = 51,139.64 : x
  2. Step 2: Convert to fraction form
    93,578.48/129,140.16 = 51,139.64/x
  3. Step 3: Cross multiply
    93,578.48x = 129,140.16 × 51,139.64
  4. Step 4: Simplify right side
    93,578.48x = 6,604,181,291.94
  5. Step 5: Solve for x
    x = 6,604,181,291.94/93,578.48
  6. Step 6: Final answer
    x = 70,573.72

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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.