Home / 105,090.08-157,633.46-48,898.76

Finding the Fourth Proportional to 105,090.08, 157,633.46 and 48,898.76

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Solution

The fourth proportional to 105,090.08, 157,633.46 and 48,898.76 is: 73,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,090.08 : 157,633.46 = 48,898.76 : x
  2. Step 2: Convert to fraction form
    105,090.08/157,633.46 = 48,898.76/x
  3. Step 3: Cross multiply
    105,090.08x = 157,633.46 × 48,898.76
  4. Step 4: Simplify right side
    105,090.08x = 7,708,080,728.51
  5. Step 5: Solve for x
    x = 7,708,080,728.51/105,090.08
  6. Step 6: Final answer
    x = 73,347.37

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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.