Home / 104,980.02-144,758.12-70,929.51

Finding the Fourth Proportional to 104,980.02, 144,758.12 and 70,929.51

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Solution

The fourth proportional to 104,980.02, 144,758.12 and 70,929.51 is: 97,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,980.02 : 144,758.12 = 70,929.51 : x
  2. Step 2: Convert to fraction form
    104,980.02/144,758.12 = 70,929.51/x
  3. Step 3: Cross multiply
    104,980.02x = 144,758.12 × 70,929.51
  4. Step 4: Simplify right side
    104,980.02x = 10,267,622,165.47
  5. Step 5: Solve for x
    x = 10,267,622,165.47/104,980.02
  6. Step 6: Final answer
    x = 97,805.49

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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.