Home / 93,987.03-129,709.04-51,549.51

Finding the Fourth Proportional to 93,987.03, 129,709.04 and 51,549.51

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Solution

The fourth proportional to 93,987.03, 129,709.04 and 51,549.51 is: 71,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,987.03 : 129,709.04 = 51,549.51 : x
  2. Step 2: Convert to fraction form
    93,987.03/129,709.04 = 51,549.51/x
  3. Step 3: Cross multiply
    93,987.03x = 129,709.04 × 51,549.51
  4. Step 4: Simplify right side
    93,987.03x = 6,686,437,454.57
  5. Step 5: Solve for x
    x = 6,686,437,454.57/93,987.03
  6. Step 6: Final answer
    x = 71,142.13

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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.