Home / 105,094.08-145,048.68-62,655.36

Finding the Fourth Proportional to 105,094.08, 145,048.68 and 62,655.36

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Solution

The fourth proportional to 105,094.08, 145,048.68 and 62,655.36 is: 86,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,094.08 : 145,048.68 = 62,655.36 : x
  2. Step 2: Convert to fraction form
    105,094.08/145,048.68 = 62,655.36/x
  3. Step 3: Cross multiply
    105,094.08x = 145,048.68 × 62,655.36
  4. Step 4: Simplify right side
    105,094.08x = 9,088,077,262.92
  5. Step 5: Solve for x
    x = 9,088,077,262.92/105,094.08
  6. Step 6: Final answer
    x = 86,475.63

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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.