Home / 105,029.12-157,461.76-52,412.16

Finding the Fourth Proportional to 105,029.12, 157,461.76 and 52,412.16

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Solution

The fourth proportional to 105,029.12, 157,461.76 and 52,412.16 is: 78,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,029.12 : 157,461.76 = 52,412.16 : x
  2. Step 2: Convert to fraction form
    105,029.12/157,461.76 = 52,412.16/x
  3. Step 3: Cross multiply
    105,029.12x = 157,461.76 × 52,412.16
  4. Step 4: Simplify right side
    105,029.12x = 8,252,910,959.00
  5. Step 5: Solve for x
    x = 8,252,910,959.00/105,029.12
  6. Step 6: Final answer
    x = 78,577.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.